User’s Guide DranTech ISO 3-349-416-54 ©2009 Rev. B TRMS Multimeter with Insulation Measurement Standard Equipment Contact Persons Standard Equipment Function DranTech ISO 1 Multimeter for isolation measurement V AC+DC TRMS (Ri = 1 MΩ) • 1 protective rubber cover • V AC / Hz TRMS (Ri ≥ 9 MΩ) 1 condensed operating instructions, English/German 1kHz Filter 1 operating instructions in English and German V AC+DC TRMS (Ri ≥ 9 MΩ) • (CD ROM or printed) V DC (Ri ≥ 9 MΩ) • 1 DKD calibration certificate with calibration report Hz (V AC) ... 300 kHz 2 batteries, 1.5 V, type AA, installed Bandwidth V AC 15 Hz ... 10 kHz A AC / Hz TRMS 300 µA A AC+DC TRMS 3/30/300 mA 3 A / 10 A A DC Fuse 10 A/1000 V Transformation factor mV/A, mA/A Hz (A AC) ... 30 kHz Insulation Resistance MΩISO adjustable test voltage Resistance Ω • Continuity • Diode ... 5.1 V • Temperature TC (K) • Temperature RTD • Capacitance • MIN/MAX / data hold • 540kb memory 1) • IR Interface • Power pack adapter socket • Protection IP54 Measuring category 1000 V CAT II, 600 V CAT III 1) For 15,400 measured values, sampling rate adjustable from 0.1 second to 9 hours 2 DranTech ISO User’s Guide Contact Persons Accessories (sensors, plug inserts, adapters, consumable materials) Product Support The accessories available for your instrument are checked for Technical Queries compliance with currently valid safety regulations at regular inter- (use, operation, software registration) vals, and are amended as required for new applications. If required please contact: Currently up-to-date accessories which are suitable for your mea- Dranetz-BMI suring instrument are listed at the following web address along 1000 New Durham Road with photo, order number, description and, depending upon the Edison, NJ 08818-4019 USA scope of the respective accessory, data sheet and operating in- Phone: 1-800-372-6832 or 732-287-3680 structions: Fax: 732-248-1834 www.dranetz-bmi.com www.dranetz-bmi.com See also chapter 10 on page 68. DranWin 10 Software Enabling for DranTech ISO Dranetz-BMI 1000 New Durham Road Edison, NJ 08818-4019 USA Phone: 1-800-372-6832 or 732-287-3680 Fax: 732-248-1834 www.dranetz-bmi.com Training On-site training at customer facilities (scheduling, prices, registra- tion, travel, accommodation) If required please contact: Dranetz-BMI 1000 New Durham Road Edison, NJ 08818-4019 USA Phone: 1-800-372-6832 or 732-287-3680 Fax: 732-248-1834 www.dranetz-bmi.com DranTech ISO User’s Guide 3 Standard Equipment Contact Persons Recalibration Service Repair and Replacement Parts Service DKD Calibration Laboratory* and Rental Instrument Service We calibrate and recalibrate all instruments supplied by Dranetz- BMI, as well as other manufacturers, at our service center, for ex- If required please contact: ample after one year within the framework of your test equipment monitoring Dranetz-BMI program, as well as prior to use etc. and offer you test equipment 1000 New Durham Road management free of charge. Edison, NJ 08818-4019 USA Phone: 1-800-372-6832 or 732-287-3680 Fax: 732-248-1834 www.dranetz-bmi.com This address is only valid in the United States. Please contact our representatives or subsidiaries for service in other countries. * Calibration Laboratory for Measured Electrical Quantities DKD – K – 19701 accredited per DIN EN ISO/IEC 17025:2005 Accredited quantities: direct voltage, direct current value, direct current resistance, alternating voltage, alternating current value, AC active power, AC apparent power, DC power, capacitance, frequency, temper- ature 4 DranTech ISO User’s Guide Contact Persons Competent Partner GMC-I Messtechnik GmbH is certified in accordance with DIN EN ISO 9001:2000. Our DKD calibration lab is accredited by the Deutscher Kalibrier- dienst (German Calibration Service) in accordance with DIN EN ISO/IEC 17025:2005 under registration number DKD–K– 19701. We offer a complete range of expertise in the field of metrology: from test reports and factory calibration certificates, right on up to DKD calibration certificates. Our spectrum of offerings is rounded out with free test equipment management. As a full service calibration lab, we can calibrate instruments from other manufacturers as well. DranTech ISO User’s Guide 5 Table of Contents Contents Page Contents Page 1 Safety Features and Precautions ....................................... 8 5 Measurements ................................................................. 26 1.1 Use for Intended Purpose ................................................................10 5.1 Voltage Measurement ....................................................................26 1.2 Meanings of Danger Symbols ..........................................................10 5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC) .....27 1.3 Meanings of Acoustic Warning Signals ............................................10 5.1.2 Alternating Voltage and Frequency Measurement V AC and Hz with Selectable Low-Pass Filter .......................................................28 5.1.3 Transient Overvoltages ...................................................................30 2 Operating Overview – Connections, Keys, Rotary Switch, Symbols 12 5.1.4 Voltage Measurements at Above 600 V ...........................................30 5.2 Resistance Measurement, Ω ........................................................31 3 Initial Start-Up .................................................................. 16 5.3 Temperature Measurement – Temp RTD .........................................32 3.1 Batteries ........................................................................................16 5.3.1 Measurement with Resistance Thermometers ..................................32 3.2 Activation .......................................................................................16 5.4 Continuity Test ..............................................................................35 3.3 Setting the Operating Parameters ....................................................16 5.5 Diode Testing with 2 mA Constant Current .....................................36 3.4 Switching the Instrument Off ...........................................................17 5.6 Capacitance Measurement ............................................................38 5.6.1 Cable Length Measurement m ........................................................38 4 Control Functions ............................................................. 18 5.7 Insulation Resistance Measurement: 4.1 Selecting Measuring Functions and Measuring Ranges .....................18 in Telecommunications Networks – MΩISO Function .......................39 4.1.1 Automatic Range Selection .............................................................18 5.7.1 Connecting the Measurement Cables ..............................................40 4.1.2 Manual Measuring Range Selection .................................................18 5.7.2 Detection of Interference Voltages ...................................................40 4.1.3 Quick Measurements ......................................................................19 5.7.3 Performing Insulation Resistance Measurements ..............................40 4.2 Zero Offset / Relative Measurements ...............................................19 5.7.4 Ending the Measurement and Discharging .......................................42 4.3 Display (LCD) .................................................................................20 5.8 Current Measurement ....................................................................43 4.3.1 Digital Display ................................................................................20 5.8.1 Direct and Pulsating Current Measurement, Direct Connection, 4.3.2 Analog Display ...............................................................................20 A DC and A (DC+AC) ......................................................................44 4.4 Measured Value Storage: DATA (auto-hold / compare) ......................21 5.8.2 Alternating Current and Frequency Measurement, 4.4.1 Saving Minimum and Maximum Values – MIN/MAX Function .................22 Direct Connection, A AC and Hz ......................................................45 4.5 Measurement Data Recording .........................................................23 5.8.3 Direct and Pulsating Current Measurement with Clip-On Current Sensor, A DC and A (DC+AC) ..........................46 5.8.4 Alternating Current Measurement with Clip-On Current Sensor, A AC and Hz ..................................................................................47 6 DranTech ISO User’s Guide Table of Contents Contents Page Contents Page 6 Device and Measuring Parameters ...................................48 11 Index .................................................................................70 6.1 Paths to the Various Parameters .................................................... 49 6.2 List of All Parameters .................................................................... 49 6.3 Querying Parameters – InFo Menu (as moving letters) ...................... 50 6.4 Entering Parameters – SETUP Menu ............................................... 50 6.5 Default Settings ............................................................................. 53 7 Interface Operation ...........................................................54 7.1 Activating the Interface ................................................................... 54 7.2 Configuring Interface Parameters .................................................... 55 8 Technical Data ................................................................ 56 9 Maintenance and Calibration ............................................64 9.1 Displays – Error Messages ............................................................ 64 9.2 Batteries ....................................................................................... 64 9.3 Fuses ............................................................................................ 65 9.4 Housing Maintenance .................................................................... 66 9.5 Return and Environmentally Sound Disposal .................................... 66 9.6 Recalibration Service ...................................................................... 66 9.7 Manufacturer’s Guarantee .............................................................. 67 10 Accessories .......................................................................68 10.1 General ......................................................................................... 68 10.2 Technical Data for Measurement Cables (scope of delivery: KS21T safety cable set) ...................................... 68 10.3 Power Pack NA (not included) ......................................................... 68 10.4 Interface Accessories (not included) ................................................ 69 DranTech ISO User’s Guide 7 Safety Warnings Measuring Categories and their Significance per IEC 61010-1 1 Safety Features and Precautions CAT Definition You have selected an instrument which provides you with a high level of safety. Measurements in electrical circuits which are not directly connected to the I mains: e.g. electrical systems in motor vehicles and aircraft, This instrument fulfills the requirements of applicable European batteries etc. and national EC directives. This is confirmed by means of the CE Measurements in electrical circuits which are electrically connected to the low- mark. A corresponding declaration of conformity can be re- II voltage mains: via plug, e.g. in household, office and laboratory applications quested from Dranetz-BMI. Measurements in building installations: stationary consumers, The TRMS digital multimeter has been manufactured and tested III distributor terminals, devices connected permanently to the distributor in The measuring category and the maximum rated voltage which accordance with the following safety regulations: are printed on the device apply to your measuring instrument, e.g. IEC 61010–1:2001 / DIN EN 61010–1/VDE 0411–1:2002. When 600 V CAT III or 1000 V CAT II. used for its intended purpose (see page 10), safety of the opera- tor, as well as that of the instrument, is assured. Their safety is however not guaranteed, if the instrument is used improperly or Observe the following safety precautions: handled carelessly. • The multimeter may not be used in potentially explosive In order to maintain flawless technical safety conditions, and to assure atmospheres. safe use, it is imperative that you read the operating instructions • The multimeter may only be operated by persons who are thoroughly and carefully before placing your instrument into service, and capable of recognizing contact hazards and taking the that you follow all instructions contained therein. appropriate safety precautions. Contact hazards according to The multimeter is equipped with an automatic socket blocking the standards exist anywhere, where voltages of greater than mechanism for your safety, and in order to safeguard your instru- 33 V RMS or 70 V DC may occur. Avoid working alone when ment. This mechanism is linked to the rotary switch and only al- taking measurements which involve contact hazards. Be cer- lows access to those jacks which are actually required for the se- tain that a lected function. It also prevents the user from turning the rotary second person is present. switch to impermissible functions after the measurement cables • Maximum allowable voltage between the voltage measuring have already been plugged in. sockets or all connector sockets and ground is 1000 V for measuring category II, and 600 V for measuring category III. • Be prepared for the occurrence of unexpected voltages at devices under test (e.g. defective devices). For example, capacitors may be dangerously charged. 8 DranTech ISO User’s Guide Safety Warnings • Make certain that the measurement cables are in flawless Repair and Parts Replacement condition, e.g. no damage to insulation, no interruptions in When the instrument is opened, voltage conducting parts may be cables or plugs etc. exposed. The instrument must be disconnected from the • No measurements may be made with this instrument in measuring circuit before the performance of repairs or the electrical circuits with corona discharge (high-voltage). replacement of parts. If repair of a live open instrument is required, it may only be carried out by trained personnel who are • Special care is required when measurements are made in HF familiar with the dangers involved. electrical circuits. Dangerous pulsating voltages may be present. Defects and Extraordinary Strains • Measurements under moist ambient conditions are not If it may be assumed that the instrument can no longer be permitted. operated safely, it must be removed from service and secured • Be absolutely certain that the measuring ranges are not against unintentional use. overloaded beyond their allowable capacities. Limit values are Safe operation can no longer be relied upon: included in chapter 8; “Technical Data” in the table entitled • If the device demonstrates visible damage, “Measuring Functions and Measuring Ranges” in the “Over- • If the instrument no longer functions, or if malfunctioning load Capacity” column. occurs, • The multimeter may only be operated with installed batteries or • After long periods of storage under unfavorable conditions, rechargeable batteries. Dangerous currents and voltages are e.g. humidity, dust or extreme temperature (see “Ambient Con- otherwise not indicated, and the instrument may be damaged. ditions” on page 60). • The instrument may not be operated if the fuse cover or the battery compartment lid has been removed, or if its housing is open. • The input for the current measuring range is equipped with a fuse link. Maximum permissible voltage for the measuring circuit (= rated voltage of the fuse) is 1000 V AC/DC. Use specified fuses only (see page 61)! The fuse must have a breaking capacity of at least 30 kA. DranTech ISO User’s Guide 9 Safety Warnings 1.1 Use for Intended Purpose 1.2 Meanings of Danger Symbols • The respective multimeter is a portable device which can be Warning concerning a point of danger held in the hand during the performance of measurements. ! (attention: observe documentation!) • Only those types of measurements described in chapter 5 may be performed with the measuring instrument. Warning concerning dangerous voltage at the measurement • The measuring instrument, including measurement cables and input: U > 15 V AC or U > 25 V DC plug-on test probes, may only be utilized within the specified measuring category (see page 61 and the table on page 8 re- 1.3 Meanings of Acoustic Warning Signals garding significance). • Overload limits may not be exceeded. See technical data on Voltage warning: > 1000 V (intermittent acoustic signal) page 56 for overload values and overload limits. • Measurements may only be performed under the specified ambient conditions. See page 60 regarding operating temper- Current warning: > 11 A (continuous acoustic signal) ature range and relative humidity. • The measuring instrument may only be used in accordance with the specified degree of protection (IP code) (see page 62). 10 DranTech ISO User’s Guide Safety Warnings This page intentionally left blank. DranTech ISO User’s Guide 11 Operating Overview – Connections, Keys, Rotary Switch, Symbols 1 Display (LCD) (see page 13 for significance of symbols) 2 Operating Overview – Connections, Keys, Rotary Switch, 2 MAN / AUTO shift key for manual/automatic measuring range selection Symbols → Chap. 7  Increase parameter values 16 15 Chap. 3.1 ← “Operating Mode” menu: Selection of individual menu entries against the direction of flow 3 ON / OFF | LIGHT key for switching device and display illumination on and off 4 FUNC | ENTER multifunction key “Operating Mode” menu: Acknowledge entry (ENTER) → Chap. 4.3 1 UISO ON / OFF Insulation resistance measurement Key for switching insulation resistance measurement on and off → Chap. 4.1.2 2 Chap. 6← 14 5  Increase measuring range or move decimal point to the right (MAN function) 6 Rotary switch for measuring functions (see page 14 for significance of symbols) 7 DKD calibration mark (back of unit) Chap. 3 ← 13 → Chap. 3 3 8 Connector socket for ground / connected to ground Chap. 6 ←12 4 → Chap. 5 9 Connector socket for current measurement with automatic blocking 10 Connector socket for voltage, resistance, temperature, diode and 5 → Chap. 6 capacitance measurement with automatic blocking 11 Chap. 4.4 ← 11 DATA / MIN / MAX Key for freezing, comparing, deleting the measured value, and for Min/Max function → Chap. 3 ff. 6  Decrease values “Operating Mode” menu: Select individual menu entries in flow direction 12 MEASURE | SETUP Key for switching between measuring and menu functions → Chap. 1.2 7 13 ZERO | ESC Key for zero balancing → Chap. 3 8 “Operating Mode” menu: Exit menu level and return to a higher level, exit param- eters entry function without saving → Chap. 4.1 10 9 14  Decrease measuring range or move decimal point to the left (MAN function) Chap. 4.1 ← 15 Power pack connector jack 16 Infrared interface Max. 1000 V! 12 DranTech ISO User’s Guide Operating Overview – Connections, Keys, Rotary Switch, Symbols Symbols used in the Digital Display 1 Battery level indicator 1 2 3 4 5 6 7 8 9 10 2 ON: continuous operation (automatic shutdown deactivated) 3 MAN: manual measuring range selection active 4 Digital display with decimal point and polarity display 11 5 max/min: Min/Max value storage 12 25 6 DATA: display memory, “freeze measured value” 24 13 7 STORE: memory mode active 8 ISO: insulation resistance measurement active / selected test 14 voltage 23 15 9 1: x current clip factor (transformation ratio) 16 22 10 IR: infrared interface display 11 Scale for analog display 12 Pointer for analog display (bar graph – pointer) 20 17 triangle appears: indicates overranging 21 19 18 Battery level indicator 13 Diode measurement selected 14 Selected type of current Battery full 15 TRMS measurement 16 Pt100(0): selected platinum resistance thermometer with Battery OK automatic recognition of Pt100/Pt1000 17 Type K: temperature measurement with type K (NiCr-Ni) Battery weak thermocouple 18 sec (seconds): unit of time Battery (almost) dead, U < 1.8 V 19 ∆REL: relative measurement with reference to offset 20 Unit of measure Interface indicator 21 ZERO: zero balancing active 22 Duty Cycle % Data transmission ↓ to / ↑ from the multimeter is active (this function only available with customer-specific variant) 23 Warning regarding dangerous voltage: U > 15 V AC or U > 25 V DC IR interface in standby mode 24 Continuity test with acoustic signal active (ready to receive starting commands) 25 h (hours): unit of time DranTech ISO User’s Guide 13 Operating Overview – Connections, Keys, Rotary Switch, Symbols Symbols used for Rotary Switch positions Switch FUNC Display Measuring Function Additional Function clip-on (by menu SET  CLIP 1:1/10/100/1000) V 0/2 V DC AC TRMS Pulsating voltage, TRMS DC + AC, full bandwidth 1MΩ MΩISO@UISO 1 UISO / kΩ / MΩ Insulation resistance measurement V~ 0/5 V~ AC TRMS Alternating voltage, AC TRMS, full bandwidth Clip-on AC (V): clip-on current sensor Hz (V) 1 Hz ~ AC Voltage frequency, full bandwidth Clip-on Hz (V): clip-on current sensor % 2 % Duty Cycle (customer-specific variant) V~ 1kHz 3 V Fil ~ AC TRMS Voltage frequency, with low pass filter (1 kHz) Hz (V) 1kHz 4 Hz Fil ~ AC Voltage frequency, with low pass filter (1 kHz) V 0/2 V DC Direct voltage Clip-on DC (V): clip-on current sensor 2 2 VACDC = VAC + VDC V 1 V DC AC TRMS Pulsating voltage, TRMS ( ) Clip-on DC + AC (V): clip-on current sensor Ω 0 Ω (DC) resistance 0/2 Ω Continuity test with acoustic signal 1 V DC Diode voltage where I is constant Temp RTD 0 °C Pt 100/1000 Temperature with Pt 100 / Pt 1000 resistance thermometer Temp TC 1 Temperature with thermoelement type K °C Typ-K 0 nF, µF Capacitance A 0/2 A DC Direct current value A 1 A DC AC TRMS Pulsating current amperage, AC DC TRMS A~ 0/2 A~ AC TRMS Alternating current amperage, AC TRMS Clip-on AC (A): clip-on current transformer Hz (A) 1 Hz ~ AC Current frequency Clip-on Hz (A): clip-on current transformer 14 DranTech ISO User’s Guide Operating Overview – Connections, Keys, Rotary Switch, Symbols User Interface Symbols in the Following Chapters Position of the power pack adapter socket,  ...  Scroll through main menu see also chapter 3.1.  ...  Scroll through submenu 5 V / 600 mA   Select decimal point  Increase/decrease value Fuse for current measuring ranges (see chapter 9.3) time Submenu/parameter (7-segment font) 1nFo Main menu (7-segment font, boldface) The device may not be disposed of with the trash. Further information regarding the WEEE mark can be Symbols on the Device accessed on the Internet at www.dranetz-bmi.com under the search term WEEE (see also chapter 9.5). Warning concerning a point of danger ! (attention: observe documentation!) Calibration seal (red seal): Consecutive number B0730 DKD-K- German Calibration Service – Calibration Laboratory 19701 Registration number 01-04 Date of calibration (year – month) Ground See also “Recalibration Service” on page 66. CAT II / III Measuring category II or III device, see also “Measuring Categories and their Significance per IEC 61010-1” on page 8. Continuous, doubled or reinforced insulation Indicates EC conformity ▲ IR ▼ Position of the infrared interface, window on the top of the instrument DranTech ISO User’s Guide 15 Initial Start-Up – Setup Display Illumination 3 Initial Start-Up After the instrument has been switched on, background illumina- 3.1 Batteries tion can be activated by briefly pressing the ON / OFF | LIGHT key. Be certain to refer to chapter 9.2 regarding correct battery Illumination is switched back off by once again pressing the same installation! key, or automatically after approximately 1 minute. Momentary battery voltage can be queried in the “Info” menu (see Switching the Instrument On with a PC chapter 6.3). The multimeter is switched on after transmission of a data block from the PC, assuming the “irStb” parameter has been set to “ir ! Attention! on” (see chapter 6.4). Disconnect the instrument from the measuring circuit before open- ing the battery compartment lid in order to replace the batteries. However, we recommend using the power saving mode: “iroff”. Operation with Power Pack (not included, see chapter ) Note Electrical discharge and high frequency interference may Installed batteries are disconnected electronically if the NA power cause incorrect displays to appear, and may disable the pack is used, and need not be removed from the measuring sequence. instrument. If rechargeable batteries are used, they must be Disconnect the device from the measuring circuit. Switch the recharged externally. instrument off and back on again in order to reset. If the If the external power supply is switched off, the device is switched problem persists, briefly dislodge the battery from the con- to battery operation without interruption. nector contacts (see also chapter 9.2). 3.2 Activation 3.3 Setting the Operating Parameters Switching the Instrument On Manually ➭ Press the ON / OFF | LIGHT key until the display appears. Setting Time and Date Power-up is acknowledged with a brief acoustic signal. As See “t iME” and “dAtE” parameters in chapter 6.4. long as the key is held depressed, all of the segments at the Display Modes for the Digital Display liquid crystal display (LCD) are illuminated. Selection can be made from two different display modes The LCD is depicted on page 13. (see “0.d iSP” parameter in chapter 6.4). The instrument is ready for use as soon as the key is released. 16 DranTech ISO User’s Guide Initial Start-Up – Setup 3.4 Switching the Instrument Off Switching the Instrument Off Manually ON / OFF LIGHT ➭ Press the ON / OFF | LIGHT key until 0FF appears at the display. Shutdown is acknowledged with a brief acoustic signal. 8.8.8.8 Automatic Shutdown Auto-Range The instrument is switched off automatically if the measured value remains unchanged for a long period of time (maximum measured ON / OFF value fluctuation of approximately 0.8% of the measuring range LIGHT per minute or 1° C or 1° F per minute), and if none of the keys or the rotary switch have been activated before a selected period of 00.00 time in minutes has elapsed (see “APoFF” parameter on page 49). Shutdown is acknowledged with a brief acoustic signal. Illumination On Exceptions include: Transmission and memory mode operation, continuous operation ON / OFF and whenever a dangerous voltage is applied to the input LIGHT (U > 15 V AC or U > 25 V DC). 00.00 Disabling Automatic Shutdown The instrument can be set to continuous operation. Illumination Off ➭ Simultaneously press the ON / OFF FUNC ON / OFF and keys to this end. LIGHT ENTER LIGHT The “Continuous On” function is indicated at by means of the 0ff long ON display to the right of the battery symbol. (1 s) The “Continuous On (on)” setting can be cancelled by changing the re- spective parameter or by switching the instrument off manually. In this case the parameter will be reset to 10 min (see “APoFF” on page 52). DranTech ISO User’s Guide 17 Control Functions Overview: Auto-Ranging and Manual Range Selection 4 Control Functions Function Display 4.1 Selecting Measuring Functions and Measuring Ranges MAN / Manual mode active: MAN 4.1.1 Automatic Range Selection AUTO utilized measuring range is fixed The multimeter is equipped with auto-ranging for all measuring Range switching sequence for: V: 300 mV* ↔ 3 V ↔ 30 V ↔ 300 V ↔ 1000 V functions, except for temperature measurement, and diode and Hz: 300 Hz ↔ 3 kHz ↔ 30 kHz ↔ 300 kHz (Hz(U)) continuity testing. Auto-ranging is active as soon as the instru- Ω: 300 Ω ↔ 3 kΩ ↔ 30 kΩ ↔ 300 kΩ ↔ 3 MΩ ↔ 30 MΩ ment is switched on. The instrument automatically selects the  or  MAN A: 300 µA ↔ 3 mA ↔ 30 mA ↔ 300 mA ↔ 3 A ↔ 10 A measuring range which allows for highest possible resolution of A : See chapter 5.8.3 und chapter 5.8.4 the applied quantity. When the instrument is switched to fre- F: 30 nF ↔ 300 nF ↔ 3 µF ↔ 30 µF ↔ 300 µF quency measurement, the previously selected voltage measuring MΩ@ISO:300 kΩ ↔ 3 MΩ ↔ 30 MΩ ↔ 300 MΩ ↔ 3000 MΩ range remains active. MAN / Return to automatic measuring range selection — AUTO AUTO-Range Function * Via manual measuring range selection only The multimeter is switched automatically to the next higher range at ±(3099 d + 1 d → 0310 d), and to the next lower range at ±(280 d - 1 d → 2799 d). The multimeter is held in the selected measuring range. If the range limit is exceeded, 0L appears at the display. You should With high resolution the multimeter is switched automatically to then switch to the next higher measuring range with the help of the next higher range at ±(30999 d + 1 d → 03100 d), and to the the  key. next lower range at ±(2800 d - 1 d → 27999 d). 4.1.2 Manual Measuring Range Selection Auto-ranging can be deactivated and measuring ranges can be selected manually in accordance with the following table by pressing the MAN / AUTO button. The desired measuring range can then be selected with the  or  key. The instrument is automatically returned to range selection when the MAN / AUTO key is pressed, the rotary switch is activated or the instrument is switched off and back on again. 18 DranTech ISO User’s Guide Control Functions 4.1.3 Quick Measurements Zero balancing and reference value adjustment can be used for auto-ranging, as well as for manual measuring range selection. Measurements performed using a suitable fixed measuring range are executed more quickly than those which utilize automatic Zero Balancing range selection. Quick measurement is made possible with the ➭ Plug the measuring cables into the instrument and connect the following two functions: free ends to each other, except for capacitance measurement • Manual measuring range selection, i.e. selection of the measuring in which case the ends of the cables are not connected to range with the best resolution (see chapter 4.1.2) each other. or ➭ Briefly press the ZERO | ESC key. • With the DATA function (see chapter 4.4). In this way, the The instrument acknowledges zero balancing with an acoustic appropriate measuring range is selected automatically after the signal, and the “ZERO ∆REL” symbol appears at the LCD. The first measurement and the second measurement is executed value measured at the moment the key is pressed serves as a more quickly. reference value. ➭ Zero balancing can be cleared by once again pressing the The selected measuring range remains active for the subsequent ZERO | ESC key. series of measurements with these two functions. Note As a result of TRMS measurement, the multimeter displays a 4.2 Zero Offset / Relative Measurements residual value of 1 to 10/35 digits with short-circuited Zero balancing or a reference value for relative measurements can measurement cables as the zero point for V AC / I AC or be stored to memory depending upon deviation from the zero V(AC+DC) / I (AC+DC) measurements (non-linearity of the point: TRMS converter). This has no influence on specified accuracy above 1% of the measuring range (or 3% in the Deviation from zero Display mV, V(AC+DC) ranges). – with short-circuited measurement cables for V, Ω, A – with open input for capacitance unit of measure: F Setting the Reference Value 0 to 200 digits ZERO ∆REL ➭ Plug the measuring cables into the instrument and measure a > 200 to 1500 digits ∆REL reference value (max. 1500 digits). The relevant reference or correction value is deducted individually for the respective measuring function as an offset from all future measurements and remains in memory until deleted, or until the multimeter is switched off. DranTech ISO User’s Guide 19 Control Functions ➭ Briefly press the ZERO | ESC key. 4.3.2 Analog Display The instrument acknowledges storage of the reference value Measured Value, Polarity with an acoustic signal, and the “ZERO ∆REL” or the “∆REL” The analog display demonstrates the dynamic performance of a symbol appears at the LCD. The value measured at the mo- moving-coil mechanism. This display is especially advantageous ment the key is pressed serves as a reference value. for observing measured value fluctuation, and for balancing pro- ➭ The reference value can be cleared by once again pressing the cedures. ZERO | ESC key. Display mode Pointer: the current measured value is tracked in Notes Regarding Relative Measurement real-time. • Relative measurement effects the digital display only. The The analog scale displays a negative range of 5 scale divisions for analog display continues to read out the original measured value. the measurement of zero-frequency quantities, allowing for pre- cise observation of measured value fluctuation around zero. If the • In the case of relative measurement, Ω F or AC quantities may measured value exceeds the negative range of 5 scale divisions, also appear as negative values. polarity is reversed at the analog display. 4.3 Display (LCD) Scaling of the analog scale is automatic. This is very helpful for 4.3.1 Digital Display manual measuring range selection. Measured Value, Unit of Measure, Type of Current, Polarity The measured value with decimal and plus or minus sign appears Overranging at the digital display. The selected unit of measure and current Overranging in the positive range is displayed by means of the type are displayed as well. A minus sign appears to the left of the right triangle symbol. value during the measurement of zero-frequency quantities, if the plus pole of the measured quantity is applied to the “⊥” input. The “0.d iSP” parameter can be used to determine whether lead- Refresh Rate ing zeros will be appear or be suppressed at the measured value In the bar graph and pointer modes, the analog display is display (see chapter 6.4). refreshed 40 times per second. Overranging If the upper range limit of 3100 digits is exceeded “0L” (overload) appears at the display. Exceptions: “0L” appears at the display as of 1000.0 V in the case of voltage measurement in the 1000 V range, as of 5.100 V for diode testing, and as of 11.00 A in the 10 A range. 20 DranTech ISO User’s Guide Control Functions 4.4 Measured Value Storage: DATA (auto-hold / compare) V, A, Hz F, % An individual measured value can be automatically “frozen” with of Measuring Range 3000 digits 100% the DATA function (auto-hold). This is useful, for example, when contacting the measuring points with the test probes requires your full attention. After the measuring signal has been applied 10% t [s] and the Save Save Reactivated measured value has settled in in accordance with the “condition” Activated listed in the table below, the measured value is frozen at the digital display and an acoustic signal is generated. The test probes can now be removed from the measuring points, and the measured Condition Response from Instrument Press value can be read from the digital display. If the measuring signal DATA Display DATA / Measuring Measuring falls below the value specified in the table, the function is reacti- Function Acou-stic Min/ MV Function Signal DATA vated for storage of the next value. Max Digital Activate Brief Blinks Once Measured Value Comparison (DATA Compare) Save > 10% If the currently frozen value deviates from the first saved value by V, A, F, Hz, % (stabilized of R Is dis- Once Static less than 100 digits, the acoustic signal is generated twice. If de- measured played Twice 2) Ω ≠ 0L viation is greater than 100 digits, only one brief acoustic signal is value) generated. < 10% V, A, F, Hz, % Stored of R Reactivate 1) Blinks MV Note Ω = 0L The DATA function has no effect on the analog display, at Change to brief See table in chapter 4.4.1 which the current measured value continues to appear. Min/Max However, when the digital display is “frozen”, the decimal Is Exit long Is cleared Twice point is fixed as well (fixed measuring range, symbol: MAN). cleared The selected measuring range should not be manually 1) Reactivation results from falling short of specified measured value limits. changed as long as the DATA function is active. 2) Two acoustic signals are generated the first time a measured value is saved as a reference value. For subsequent data hold, two acoustic signals are only The DATA function is deactivated by pressing and holding the generated if the currently frozen value deviates from the first saved value by less DATA/MIN/MAX key (approx. 1 second), when the measuring func- than 100 digits. tion is changed or when the instrument is switched off and back Key: MV = measured value, R = measuring range on again. DranTech ISO User’s Guide 21 Control Functions Example The voltage measuring range is set manually to 30 V. Response from Instrument The first measured value is 5 V and is stored to memory because Press Display Function Min. and Max. DATA / it is greater than 10% of the measuring range (= 3 V), and is thus Acoustic Min/Max Measured Values Measured Min/Max Max. Signal Value reliable above the background noise level. As soon as the mea- Min. Digital sured values drops to less than 10% of the measuring range, i.e. 1 Current Max amounts to less than 3 V which corresponds to removal of the Are Activate and 2 x brief measured and Twice test probes from the measuring point, the instrument is ready to saved save value min store a new value. Saved min. Storage continues Brief Min. Once 2 value 4.4.1 Saving Minimum and Maximum Values – MIN/MAX Function in background, Save and new min. and max. Saved max. Minimum and maximum measured values applied to the display Brief Max. Once values are displayed. value measuring instrument’s input after the Min/Max function has been Same as 1, activated can be “frozen” at the display. The most important use 3 Same Brief stored values are not Same as 1 Once of this function is the determination of minimum and maximum Return to 1 as 1 deleted values during long-term measured value observation. Current Is The Min/Max function can be activated in all measuring functions. Stop Long Are deleted measured Twice deleted value The Min/Max function has no effect on the analog display, at which the current measured value continues to appear. Apply the measured quantity to the instrument and set the measuring range with the MAN / AUTO key before activating the Min/Max function. The Min/Max function is deactivated by pressing and holding the DATA/MIN/MAX key (approx. 1 second), when the measuring function is changed or when the instrument is switched off and back on again. Note As opposed to the DATA function, the Min/Max function can also be used for temperature measurement. 22 DranTech ISO User’s Guide Control Functions 4.5 Measurement Data Recording The STORE Menu Function The multimeter is capable of recording measurement data using ➭ First set the sampling rate for memory mode operation (see an adjustable sampling rate for long periods of time in the form of chapter 6.4 the rAtE parameter) , and then start memory mode measurement series. Data are stored to a battery-backed mem- operation. ory module, and are retained even after the multimeter is switched ➭ First select the desired measuring function and an appropriate off. The system acquires measured values relative to real-time. measuring range. Stored measured values can subsequently be read out with the ➭ Check the battery charge level before starting long-term help of DranWin 10 software. The only prerequisite is a PC which measurement recordings (see chapter 6.3). is connected by means of an interface cable to the USB bidirec- Connect the NA power pack if required. tional interface adapter, which is plugged onto a multimeter. See also chapter 7, “Interface Operation”. Starting Recording via Menu Functions Memory Parameters Overview ➭ Switch to the “SETUP” mode by pressing MEASURE | SETUP, and Parameter Page: Header select the “StorE” menu. 24: Clear Memory CLEAr 24: Clear Memory – appears after CLEAr EMpty MEASURE FUNC 1nFo  ...  StorE 000.0 %  StArt 24: Querying Memory Occupancy 0CCUP SETUP ENTER 51: rAtE – set the sampling rate rAtE FUNC ENTER 23: Starting Recording via Menu Functions StArt 24: Ending Recording StoP ➭ Memory mode operation is started by activating FUNC | ENTER. STORE appears underneath the analog display and indicates that the memory mode has been activated. “StoP” appears at the digital display. ➭ Press MEASURE | SETUP in order to return to the measuring function. DranTech ISO User’s Guide 23 Control Functions During Recording Querying Memory Occupancy STORE is displayed underneath the analog display during memory Memory occupancy can be queried during recording with the mode operation, and memory occupancy can be monitored: help of the “1nFo” menu (see also chapter 6.3). Memory occupancy range: 000.1% to 099.9%. StoP  000.3% MEASURE FUNC 1nFo bAtt:  ...  0CCUP %: 017.4 % SETUP ENTER The following message appears as soon as memory is full: “100.0%”. Memory occupancy can be queried before recording is started via In order to be able to observe measured values during recording, the “StorE” menu. switch to the measuring function by pressing MEASURE | SETUP. MEASURE FUNC The display is returned to the memory menu after once again 1nFo  ...  StorE 017.4 %  StArt SETUP ENTER pressing MEASURE | SETUP. A new memory block is created when another measuring function is selected with the rotary switch or the FUNC | ENTER key. Data storage then continues automatically. Clear Memory This function deletes all measured values from memory! This function cannot be executed during memory mode Ending Recording operation. ➭ “StoP” appears at the display after pressing MEASURE | SETUP. MEASURE FUNC 1nFo  ...  StorE 017.4 %  StArt FUNC SETUP ENTER StoP start ENTER FUNC  CLEAr empty ENTER ➭ Acknowledge the “StoP” display by pressing FUNC | ENTER. STORE is cleared from the display indicating that recording has been ended. ➭ Press MEASURE | SETUP in order to return to the measuring function. ➭ Memory mode operation can also be exited by switching the multimeter off. 24 DranTech ISO User’s Guide Control Functions This page intentionally left blank. DranTech ISO User’s Guide 25 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5 Measurements 5.1 Voltage Measurement Notes Regarding Voltage Measurement • Be aware of the fact that dangerous voltage spikes are not displayed during measurement with the low-pass filter. • The multimeter may only be operated with installed batteries. We recommend measuring voltage without the low-pass filter first, in Dangerous voltages are otherwise not indicated, and the instrument order to be able to detect any dangerous voltages. may be damaged. • Be absolutely certain that the measuring ranges are not • The multimeter may only be operated by persons who are ca- overloaded beyond their allowable capacities. Limit values are pable of recognizing contact hazards and taking the appropriate included in chapter 8, “Technical Data”, in the table entitled safety precautions. Contact hazards exist anywhere, where “Measuring Functions and Measuring Ranges” in the “Over- voltages of greater than 33 V RMS may occur. load Capacity” column. The test probes may only be only gripped up to the finger guard. Do not touch the metallic test probes under any circum- stances. Note • Avoid working alone when taking measurements which involve Rotary selector switch position “ V 1MΩ / MΩ@UISO” is contact hazards. Be certain that a second person is present. available for the detection of interference voltage during • Maximum allowable voltage between terminals 9 or 10 and insulation resistance measurement. ground (8) is 1000 V for measuring category II, and 600 V for Us switch position V , V or V in order to perform measuring category III. precise voltage measurements. • Be prepared for the occurrence of unexpected voltages at devices under test (e.g. defective devices). For example, capacitors may be dangerously charged. • No measurements may be made with this instrument in electrical circuits with corona discharge (high-voltage). • Special care is required when measurements are made in HF electrical circuits. Dangerous pulsating voltages may be present. 26 DranTech ISO User’s Guide Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC) ➭ Set the CL iP parameter to 0FF in the current clip setup menu. MEASURE FUNC FUNC ...  SET ...  CL IP  0ff SETUP ENTER ENTER Otherwise all measured values are displayed in amperes, corrected by the amount resulting from the selected transfor- V mation ratio for an interconnected clip-on current sensor. DC V MEASURE FUNC 1nFo  ...  SET rAtE  ...  CL IP SETUP ENTER 020.00 V V FUNC FUNC 1/10/100/1000 / 0ff ENTER ENTER FUNC ENTER ➭ In accordance with the voltage to be measured, turn the rotary switch to V or V . ➭ Connect the measurement cables as shown. DC V The “⊥” connector jack should be grounded. AC 020.00 TRMS V Note An intermittent acoustic signal warns the operator if the Measuring Ranges: measured value exceeds the upper range limit in the 1000 V V= : 100 µV…1000 V VΩ MΩISO COM mA A Temp range. V : 10 mV…1000 V Make sure that a current measuring range (“A”) has not been 5 ranges: 300 mV, 3 V, 30 V, activated when the multimeter is connected for voltage 300 V and 1000 V measurement! If the fuse’s blowing limits are exceeded as a Max. 1000 V, 3 kHz result of operator error, both the operator and the instrument are – (+) in danger! Hz: 1Hz … 300 kHz + (–) With the rotary switch in the V position, the multimeter is always in Pmax = 3 x 106 V x Hz the 1 V measuring range immediately after it is switched on. As Warnings regarding dangerous voltage: soon a the MAN / AUTO key is pressed, and assuming the meas- ured value is less than 280 mV, the multimeter is switched to the > 15 V AC or > 25 V DC: 230.0 mV measuring range. > 1000 V: DranTech ISO User’s Guide 27 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.1.2 Alternating Voltage and Frequency Measurement V AC and Hz Frequency Measurement with Selectable Low-Pass Filter ➭ Connect the measured quantity in the same way as for voltage ➭ Set the CL iP parameter to 0FF in the current clip setup menu. measurement. Otherwise all measured values are displayed in amperes, ➭ Manually select the measuring range for the voltage amplitude. corrected by the amount resulting from the selected transfor- When the instrument is switched to frequency measurement, mation ratio for an interconnected clip-on current sensor. the previously selected voltage measuring range remains active. MEASURE FUNC ➭ You can switch back and forth between frequency 1nFo  ...  SET rAtE  ...  CL IP SETUP ENTER measurement with and without low-pass filter. FUNC FUNC Repeatedly press the FUNC | ENTER multifunction key, until 1/10/100/1000 / 0ff ENTER ENTER the Hz or Hz/Fil unit of measure appears at the display. Lowest measurable frequencies and maximum allowable ➭ In accordance with the voltage or frequency to be measured, voltages are included in chapter 8, “Technical Data”. turn the rotary switch to V~ or Hz/%. Measurement with Low-Pass Filter ➭ Connect the measurement cables as shown. The “⊥” connector jack should be grounded. ! Attention! Voltage Measurement Be aware of the fact that dangerous voltage spikes are not displayed during this type of measurement (see also “Volt- Note age Comparator”). We recommend measuring voltage with- An intermittent acoustic signal warns the operator if the out the low-pass filter first, in order to be able to detect any measured value exceeds the upper range limit in the 1000 V dangerous voltages. range. A 1 kHz/-3 dB low-pass filter can be activated if required, in order Make sure that a current measuring range (“A”) has not been to filter out capacitively induced high frequency pulses of greater activated, when the multimeter is connected for voltage than 1 kHz, for example when performing measurements at ca- measurement! If the fuse’s blowing limits are exceeded as a bles, i.e. undesired voltages of greater than 1 kHz can be sup- result of operator error, both the operator and the instrument are pressed. in danger! “Fil” appears at the display in order to indicate the respectively ➭ You can switch back and forth between voltage measurement activated low-pass filter. The multimeter is automatically switched with and without low-pass filter. to manual measuring range selection. ➭ Repeatedly press the FUNC | ENTER multifunction key, until Specified measuring accuracy is not reached with signals of the V or V/Fil unit of measure appears at the display. greater than 500 Hz when the filter is active. 28 DranTech ISO User’s Guide Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz MEASURE FUNC FUNC ...  SET ...  CL IP  0ff SETUP ENTER ENTER Measuring Ranges: VΩ MΩISO COM mA A Temp V~: 10 mV … 1000 V V~ 5 ranges: 300 mV, 3 V, 30 V, 300 V and 1000 V V~ AC 0230.6 TRMS Hz V Max. 1000 V, 3 kHz % FUNC Hz: 1Hz … 300 kHz ~ The following function is ENTER Pmax = 3 x 106 V x Hz only available with cus- tomer-specific variants. Warnings regarding dangerous voltage: Hz: vpm = 0FF Hz / % > 15 V AC or > 25 V DC: AC 230.0 RPM: vpm ≠ 0FF 0050.3 % Hz > 1000 V: FUNC ENTER V~ with Filter Voltage Comparator for Displaying Dangerous Voltage The input signal or measuring signal is checked by a voltage V~ ! comparator for dangerous spikes, because these do not appear 1 kHz AC 0229.9 at the display when the low-pass filter is used. TRMS V Fil At voltages of greater than 15 V AC or 25 V DC, a danger symbol FUNC appears at the display: . ENTER Hz with Filter Hz ! 1 kHz AC 0050.0 Hz Fil FUNC ENTER DranTech ISO User’s Guide 29 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz Duty Cycle Measurement (this function only available with customer-specific variant) V~ Hz ➭ Set the rotary switch to V~. ➭ Repeatedly press the FUNC | ENTER multifunction key until % 1232.3 appears at the display. fP Hz Hz ➭ Connect the measurement cables as shown. % FUNC Make sure that a current measuring range (“A”) has not been ENTER activated, when the multimeter is connected for frequency or U duty cycle measurement! The ratio of pulse duration to pulse period is measured with % t tE periodic square-wave signals and displayed as a percentage. tE/tP tP 0002.0 Pulse duration (tE) % Duty cycle (%) = • 100 Pulse period (tP) Pulse Time Quantities Measuring Ranges: Note fP pulse frequency = 1/tP Hz tE/tP The applied frequency must remain constant during duty tE pulse duration 15 Hz ... 1 kHz 5 ... 95% cycle measurement. tP pulse period 1 kHz ... 4 kHz 10 ... 90% tP – tE interpulse period tE/tP pulse or duty cycle VΩ MΩISO COM mA A Temp 30 DranTech ISO User’s Guide Re d Bl ac k Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz RPM Measurement (function only available with customer-specific variant) 5.1.4 Voltage Measurements at Above 1000 V Voltages of greater than 1000 V can be measured with a high- Revolutions per minute (also known as rotational frequency) are measured by acquiring pulses. As a prerequisite for this measure- voltage probe, e.g. the HV31 or the HV302 from Dranetz-BMI. It is absolutely essential to earth the ground terminal in this case. Ob- ment, the number of measurable pulses per revolution must first serve all applicable safety precautions! be set in the RPM setup menu (vpm ≠ 0FF, see below). ➭ Set the rotary switch to V~. Voltage Measurements at Above 1000 V ➭ Repeatedly press the FUNC | ENTER multifunction key until with the HV3 High-Voltage Probe RPM is briefly displayed. The measured value then appears in RPM, for example “244.3 r”. Pulses Revolutions § ------------------------- x60-- RPM = -----s ---------------------------- min Revolution s VΩ MΩISO COM mA A Temp Measured value RPM = revolutions per minute. Parameter vpm = pulses per revolution. Pulses per Revolution Setup Menu x1000 x100 MEASURE FUNC 1nFo  ...  SET rAtE  ...  vpm SETUP ENTER FUNC FUNC 0ff/1 :1 ... 1000   ENTER ENTER 5.1.3 Transient Overvoltages The multimeters are protected against transient overvoltages of up Black to 6 kV with wave-front durations of 1.2 ms and halftimes of 50 µs in the voltage measuring range. If longer pulse durations are ex- 1 HV3: 3 kV pected, e.g. when conducting measurements at transformers or 2 HV30: 30 kV, for (DC) voltages only motors, use of our KS30 measuring adapter is recommended. It provides protection against transient overvoltages of up to 6 kV with wave-front durations of 10, and halftimes of 1000 µs. Continu- ous load capacity is 1200 VRMS. Additional influence error caused by the KS30 measuring adapter amounts to approximately –2%. DranTech ISO User’s Guide 31 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.2 Resistance Measurement, Ω . ➭ Disconnect supply power from the electrical circuit of the Ω device to be measured, and discharge all high-voltage capaci- tors. Ω ➭ Make sure that the device under test is voltage-free. 0000.0 Interference voltages distort measurement results! kΩ Refer to section 5.1.1 regarding testing for the absence of voltage with the help of the direct voltage measurement. Measuring ranges: 0.1 kΩ to 31 MΩ ➭ Set the rotary switch to “Ω”. 6 ranges: 300 Ω , 3 kΩ, 30 kΩ, 300 kΩ , 3MΩ and 30 MΩ ➭ Connect the device under test as shown. VΩ MΩISO COM mA A Temp ! Note 0V ! Use short or shielded measurement cables in the case of high-impedance resistance. Rx Improving Accuracy by means of Zero Balancing Rx Cable resistance and contact resistance can be eliminated in all measuring ranges by means of zero balancing (see section 4.2). 32 DranTech ISO User’s Guide Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.3 Temperature Measurement: Temp RTD and Temp TC Automatic Compensation Temperature measurement is performed with a Pt100 or Pt1000 ➭ Acknowledge by pressing the ZERO | ESC key. resistance thermometer, or a type K thermocouple (accessory, “Short leads” appears at the display. not included), which is connected to the voltage input. If you prefer to enter cable resistance directly, you can skip the following entry prompt. ➭ Short circuit the measuring instrument’s connector cables. Selecting the Unit of Measure for Temperature “000.0 ” appears at the display. After pressing the FUNC | MEASURE FUNC FUNC ENTER key, automatic compensation of cable resistance is ac- 1nFo  ...  tEMP °C / °F  SETUP ENTER ENTER tivated for all subsequent measurements. The short-circuit can now be (°C = default setting) eliminated, and the device is ready for use. Enter Cable Resistance 5.3.1 Measurement with Resistance Thermometers ➭ Press the ZERO | ESC key once again in the automatic ➭ Set the rotary switch to “TempRTD”. compensation menu. Press the FUNC | ENTER key in order to change to the other ➭ Enter the known resistance of the connector cables with the measuring function if required. scroll keys: Select the digit to be changed with the   keys, and change The sensor type, i.e. Pt100 or Pt1000, is detected automatically the respectively selected digit with the  keys. The default and displayed. value is 0.43 Ω. Values can be selected within a range of 0 to There are two different ways to compensate for cable resistance: 50 Ω. ➭ Upon pressing the FUNC | ENTER key, the selected value is activated and the display is returned to the measuring function. Cable resistance remains in memory even after the instrument has been switched off. DranTech ISO User’s Guide 33 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz Temp RTD Temp TC RTD Measuring Ranges RTD Pt100 –200.0 … +850.0° C 0025.6 Pt1000 RTD Pt1000 –150.0 … +850.0° C °C FUNC ZERO ENTER ESC Short Leads 0000.0 Ω Automatic Compensation ZERO VΩ MΩISO COM mA A Temp ESC RTD FUNC ENTER r000.5 Ω Enter Cable Resistance 34 DranTech ISO User’s Guide Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.3.2 Measurement with Thermocouples, Temp TC ➭ Set the rotary switch to “TempRTD”. Temp RTD Note RTD The last selected temperature measurement or the last 0256.0 Pt1000 Temp °C selected temperature sensor, i.e. type K or Pt100/Pt1000, TC remains in memory and is accordingly displayed. Press the FUNC FUNC | ENTER key in order to change to the other measur- ENTER ing function if required. VΩ MΩISO COM mA A Temp ➭ The reference temperature is measured at the internal refer- TC ence junction (see parameter “1tEMP” in page 50 regarding querying). 0023.3 °C Type K Note The internal reference temperature (temperature of the internal reference junction) is measured by a temperature Measuring Range sensor inside of the instrument. This may be somewhat TE (TC) K (NiCr-Ni) –250.0 … +1372.0° C TE (TC) above room temperature as a result of internal heat-up, or moving from warmer to colder surroundings or vice versa. ➭ Connect the sensor to the two accessible jacks. The instrument displays the measured temperature using the selected unit of measure. DranTech ISO User’s Guide 35 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.4 Continuity Test ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. ➭ Make sure that the device under test is voltage-free. 000.8 Interference voltages distort measurement results! Ω ➭ Set the rotary switch to “ ”. FUNC ➭ A loudspeaker symbol appears at the display. ENTER ➭ Connect the conductor path under test as shown. DC Depending upon the selected limit value, the multimeter 0.443 generates a continuous acoustic signal in the case of continuity or V short-circuiting, i.e. at a value of less than the selected limit value. “0L” appears at the display in the case of an open connection. Measuring Range: The limit value can be adjusted in the “SET” menu (see also R : 300 Ω section 6.4): (0.1 Ω to 310 Ω) MEASURE FUNC VΩ MΩISO ! 1nFo  ...  SET rAtE  ...  bEEP COM mA A Temp SETUP ENTER 0V ! FUNC FUNC 1, 10, 20, 30, 40, 90 Ω  ENTER ENTER (10 = default setting) R < 1, 10, 20, 30, 40, 90 Ω 36 DranTech ISO User’s Guide Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.5 Diode Testing with Constant Current of 1 mA ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. ➭ Make sure that the device under test is voltage-free. 000.8 Ω Interference voltages distort measurement results! Refer to section 5.1.1 regarding testing for the absence of FUNC voltage with the help of the direct voltage measurement. ENTER ➭ Set the rotary switch to “ ”. ! ➭ Press the FUNC | ENTER key and the diode symbol appears at the display. 0V ! DC 0.443 ➭ Connect the device under test as shown. V Conducting Direction and Short-Circuit VΩ MΩISO COM mA A Temp The instrument displays forward voltage in volts (display: 4 places). As long as voltage drop does not exceed the maximum display value of 5.1 V, several series connected components or reference diodes with small reference voltages, as well as Z-di- odes and LEDs, can be tested. + – Reverse Direction and Interruption Measuring Range: The measuring instrument indicates overload 0L. to 5.100 V 0.L Note Resistors and semiconductor paths connected in parallel to the diode distort measurement results! Forward Direction Reverse Direction DranTech ISO User’s Guide 37 + – + – Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.6 Capacitance Measurement ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. ➭ Make sure that the device under test is voltage-free. Capacitors must always be discharged before measurement is 10.38 µ F performed. Interference voltages distort measurement results! Refer to section 5.1.1 regarding testing for the absence of ! voltage with the help of the direct voltage measurement. 0V ! ➭ Set the rotary switch to “ ”. VΩ MΩISO COM mA A Temp ➭ Connect the (discharged!) device under test to the sockets with the measurement cables as shown. Note The “–” pole of polarized capacitors must be connected to the “⊥” jack. Resistors and semiconductor paths connected in parallel to Measuring range: 10 pF to 300 µF the capacitor distort measurement results! 5 ranges: 30 nF, 300 nF, 3 µF, 30 µF and 300 µF VΩ MΩISO COM mA A Temp 38 DranTech ISO User’s Guide Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.7 Insulation Resistance Measurement – MΩ@UISO Function Note 5.7.1 Preparing for Measurement Insulation resistance may only be measured at voltage-free devices. The measurement cables may not come into con- Note tact with one another during high-resistance insulation Testing the Measurement Cables measurements. The test probes at the ends of the measurement cables should be short circuited before performing insulation resist- ➭ Set the rotary switch to “MΩ@UISO”. ance ➭ Connect the measurement cables to the two accessible jacks. measurements with the selector switch in the Ω or the position, in order to make sure that a value close to 0 Ω is ➭ Interference voltage measurement (V AC+DC TRMS) is displayed at the instrument. Incorrect connection or a bro- conducted in this switch position. ken measurement cable can be detected in this way. The FUNC | ENTER key for UISO ON / OFF may only be pressed in order to start the insulation resistance measurement if the de- vice under test is voltage-free. Short circuit the measurement cables. Ω V 1MΩ ISO 500 V 00.00 DC Ω 000.0 AC TRMS V ! MΩ @UISO Interference Voltage Detection VΩ MΩISO 0V ! COM mA A Temp Note Rx The MΩ@UISO switch position may only be used for insulation resistance measurement. However, if interference voltage is inadvertently applied with the switch in this position, it appears at the display. If an interference voltage of > 50 V is present, insulation resistance measurement is disabled. The LCD continues to display the interference voltage value. If a voltage of greater than 1000 V is present, an acoustic signal is generated as well. DranTech ISO User’s Guide 39 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.7.2 Performing the Insulation Measurement ➭ Starting the insulation resistance measurement: Caution: High-Voltage! Do not touch the conductive ends of the test probes when the Press and hold the UISO ON / OFF key until the display settles instrument has been activated for the measurement of insulation in, in order to measure insulation resistance. resistance. Insulation resistance measurement is ended by releasing the You may otherwise be exposed to a current of 2.5 mA key. (limited in the measuring instrument), and although this is not life endangering, the resulting electrical shock is quite discernible. V If, on the other hand, measurement is being performed on a 1MΩ ISO 500 V capacitive device under test, for example a cable, it may be DC charged with up to approximately ±1200 V. 000.0 AC Touching the device under test after measurement has been TRMS V MΩ performed is life endangering in this case! @UISO Activate FUNC Test Voltage ENTER Selecting the Test Voltage (UISO = 50 to 1000 V) UISO ON / OFF The desired test voltage can be selected in the “SET” menu (see also section 6.4): ISO 500 V MΩ MEASURE FUNC 002.00 1nFo  ...  SET rAtE  ...  v1so SETUP ENTER MΩ FUNC FUNC ... 500, 1000 V*  Auto-ranging is active during insulation resistance measurement. ENTER ENTER * Selectable test voltages and the default value depend upon the respective device variant. The selected test voltage appears at the display during testing. 40 DranTech ISO User’s Guide + – Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz Automatic Recognition of Interference Voltage during Insulation Resist- 5.7.3 Ending the Measurement and Discharging ance Measurement Discharge If the instrument detects interference voltage of greater than ISO 500 V 15 V AC or > 25 V DC during insulation testing (condition: Uinterference DC UISO ≠ UISO, e.g. Riq < 100 kΩ at 100 V, see Seite 58, footnote 1), 025.0 AC 0V ! TRMS ERROR is briefly displayed at the LCD. The instrument is then auto- V matically switched to voltage measurement, and the currently measured voltage value is displayed. ➭ Briefly press the UISO ON / OFF key. After measurement has been completed, any remaining residual Note voltage is displayed which may result from cable capacitance. A dead zone results in erroneous measurements for The automatic interference voltage detection during insulation instrument’s internal 100 MΩ resistor causes rapid discharging. resistance measurement. The dead zone lies within a range However, contact to the device under test must be maintained. of 80% to 120% of the selected test voltage The falling voltage value can be observed directly at the LCD. (in the case of an interference voltage whose value is equal Do not disconnect the device under test until the voltage value has to that of measuring voltage, the two voltages neutralize dropped to < 25 V! each other). Note Manual switching to insulation resistance measurement is The instrument’s batteries are rapidly depleted during disabled for as long as voltage is applied to the test terminals. insulation resistance measurement. Deactivate insulation If interference voltage is no longer present, the MΩ@ISO resistance measurement between measurements for this measurement can be started by once again pressing the reason. Use only alkaline manganese batteries in accord- UISO ON / OFF key. ance with IEC 6 LR61. ! Attention! Note If ERROR appears at the display, the cable (the device Rotary selector switch position “ V 1MΩ / MΩ@UISO” is under test) is most likely capacitively charged to a signifi- available for the detection of interference voltage during cant extent. insulation resistance measurement. Remedy: Short circuit the cable (the device under test). Repeat the Us switch position V , V or V in order to perform measurement. precise voltage measurements. DranTech ISO User’s Guide 41 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.8 Current Measurement Notes Regarding Current Measurement Direct Current Measurement – CLIP Parameter = OFF • The multimeter may only be operated with installed batteries or ➭ Set the CL iP parameter to 0FF in the current clip setup menu. rechargeable batteries. Dangerous currents are otherwise not Otherwise all displayed measured values are corrected by the indicated, and the instrument may be damaged. amount resulting from the selected transformation ratio for an interconnected clip-on current sensor. • Set up the measuring circuit in a mechanically secure fashion, and secure it against inadvertent breaks. Select conductor MEASURE FUNC cross-sections and lay out connections such that they do not 1nFo  ...  SET rAtE  ...  CL IP SETUP ENTER overheat. FUNC FUNC 1/10/100/1000 / 0ff • An continuous acoustic signal warns of current greater than ENTER ENTER 11 A. • The input for the current measuring range is equipped with a fuse link. Maximum permissible voltage for the measuring circuit (= rated voltage of the fuse) is 1000 V AC/DC. Switch FUNC Display Additional clip function (viaCLIP 1:1/10/ 100/1000 in the SET menu) Use specified fuses only! The fuse must have a breaking A 0/2 A DC capacity of at least 30 kA. A 1 A DC AC TRMS • If the fuse for the active current measuring range blows, “FUSE” A~ 0/2 A~ AC TRMS AC (A) clip: clip-on current transformer appears at the digital display, and an acoustic signal is generated at the same time. Hz (A) 1 Hz ~ AC Hz (A) clip: clip-on current transformer • If a fuse should blow, eliminate the cause of overload before placing the instrument back into service! • Fuse replacement is described in section 9.3. • Be absolutely certain that the measuring ranges are not overloaded beyond their allowable capacities. Limit values are included in chapter 8, “Technical Data” in the table entitled “Measuring Functions and Measuring Ranges” in the “Over- load Capacity” column. 42 DranTech ISO User’s Guide Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.8.1 Direct and Pulsating Current Measurement, Direct Connection, A DC and A (DC+AC) MEASURE FUNC FUNC ...  SET ...  CL IP  0ff SETUP ENTER ENTER ➭ First disconnect supply power from the measuring circuit or the power consumer (1), and discharge any capacitors. ➭ In accordance with the current to be measured, set the rotary A switch to A or A . DC A A ➭ Select the type of current appropriate for the measured quan- 003.50 Current measurement mA tity by briefly pressing the FUNC | ENTER multifunction key. may only be performed ! Each time the key is pressed, the instrument is switched back FUNC with installed batteries! and forth between A DC and A (DC + AC)TRMS, which is indi- ENTER cated by means of an acoustic signal. The current type is indi- cated at the LCD by means of the DC or the (DC+AC)TRMS 88.8.8.8 symbol. DC A ➭ Safely connect the measuring instrument (without contact AC 003.50 TRMS Measuring Ranges: mA resistance) in series to the power consumer (2) as shown. A : 0.1 µA . . . 11 A ➭ Switch supply power to the measuring circuit back on (3). A : 10 µA . . . 11 A ➭ Read the display. Make a note of the measured value if the 6 ranges: 300 µA, 3 mA, 30 mA, 300 mA, 3 A and 10 A instrument is not being operated in the memory mode or the transmission mode. VΩ MΩISO COM mA A Temp ➭ Disconnect supply power from the measuring circuit or the power consumer (1) once again, and discharge any capaci- tors. ➭ Remove the test probes from the measuring point and return ! the measuring circuit to its normal condition. 2 1 3 I > 11 A ~ ~ Current Current Rx Rx DranTech ISO User’s Guide 43 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.8.2 Alternating Current and Frequency Measurement, Direct Connection, A AC and Hz MEASURE FUNC FUNC ...  SET ...  CL IP  0ff SETUP ENTER ENTER ➭ First disconnect supply power from the measuring circuit or the power consumer (1), and discharge any capacitors. ➭ In accordance with the current or frequency to be measured, A~ turn the rotary switch to A~ or Hz. Hz A~ AC 003.50 ➭ Select the desired measured quantity by briefly pressing the TRMS Current measurement mA FUNC | ENTER multifunction key. Each time the key is ! may only be performed pressed, ACTRMS and Hz are alternately selected, and FUNC with installed batteries! switching is acknowledged with an acoustic signal. ENTER ➭ Safely connect the measuring instrument (without contact resistance) in series to the power consumer as shown. 88.8.8.8 ➭ Switch supply power to the measuring circuit back on (3). Hz AC 0050.1 ➭ Read the display. Make a note of the measured value if the Hz Measuring Ranges: instrument is not being operated in the memory mode or the A ~: 10 µA . . . 11 A transmission mode. 6 ranges: 300 µA, 3 mA, 30 mA, 300 mA, 3 A and 10 A ➭ Disconnect supply power from the measuring circuit or the power consumer (1) once again, and discharge any capaci- VΩ MΩISO COM mA A Temp tors. Hz: 1 Hz . . . 31 kHz ➭ Remove the test probes from the measuring point and return 3 ranges: 300 Hz, 3 kHz and 30 kHz the measuring circuit to its normal condition. ! 2 1 3 I > 11 A ~ ~ Current Rx Rx 44 DranTech ISO User’s Guide Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.8.3 Direct and Pulsating Current Measurement with Clip-On Current Sensor A DC and A (DC+AC) MEASURE FUNC FUNC ...  SET ...  CL IP  0ff Transformer Output, Voltage/Current SETUP ENTER ENTER When a clip-on current sensor is connected to the multimeter (V input), all current displays appear with the correct value in V 1:1000 accordance with the selected transformation ratio. The only DC prerequisite is that the current sensor is equipped with at least A 0035.0 one of the below listed transformation ratios, and that the ratio A has been previously selected in the following menu (Cl ip ≠ 0FF). V FUNC Current Clip Setup Menu ENTER VΩ MΩISO MEASURE FUNC COM mA A Temp 1nFo  ...  SET rAtE  ...  CL IP SETUP ENTER 1:1000 Ri FUNC FUNC DC 0ff/1 /10/100/1000  A ENTER ENTER AC 0035.0 TRMS A Transf. Ratio Measuring Ranges Clip Type Ri ~ 9 MΩ CL IP 300 mV 3 V 30 V 1:1 Measuring Ranges: 300.0 mA 3.000 A 30.00 A WZ12C 1 mV / 1 mA mA / A: see table 1:10 3.000 A 30.00 A 300.0 A WZ12B, Z201A ~ 1m V / 10 mA Current 1:100 30.00 A 300.0 A 3,000 kA Z202A Rx 1m V / 100 mA 1:1000 Z202A, Z203A, 300.0 A 3,000 kA 30.00 kA 1 mV/1 A WZ12C Maximum allowable operating voltage is equal to the current transformer’s nominal voltage. When reading the measured value, additional error resulting from the clip-on current sensor must also be taken into consideration. (default value: Cl ip = 0ff = voltage display) DranTech ISO User’s Guide 45 Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.8.4 Alternating Current Measurement with Clip-On Current Sensor, (default value: Cl ip = 0ff = voltage display) A AC and Hz Transformer Output, Voltage/Current MEASURE FUNC FUNC ...  SET ...  CL IP  0ff When a clip-on current sensor is connected to the multimeter SETUP ENTER ENTER (V input), all current displays appear with the correct value in accordance with the selected transformation ratio. The only 1:1000 prerequisite is that the current sensor is equipped with at least V~ one of the below listed transformation ratios, and that the ratio A~ Hz AC has been 0035.0 TRMS A previously selected in the following menu (Cl ip ≠ 0FF). FUNC Current Clip Setup Menu ENTER VΩ MΩISO MEASURE FUNC COM mA A Temp 1nFo  ...  SET rAtE  ...  CL IP SETUP ENTER 1:1000 Ri FUNC FUNC 0ff/1/10/100/1000  Hz ENTER ENTER AC 0050.1 Hz Transf. Ratio Measuring Ranges Clip Type Ri ~ 9 MΩ CL IP 300 mV 3 V 30 V Measuring Ranges: 1:1 300.0 mA 3.000 A 30.00 A WZ12C 1 mV / 1 mA mA / A: see table 1:10 Hz: 1 Hz . . . 31 kHz 3.000 A 30.00 A 300.0 A WZ12B, Z201A ~ 1m V / 10 mA 3 ranges: 300 Hz, 3 kHz and 30 kHz Current 1:100 30.00 A 300.0 A 3,000 kA Z202A Rx 1m V / 100 mA 1:1000 Z202A, Z203A, 300.0 A 3,000 kA 30.00 kA 1 mV/1 A WZ12C Maximum allowable operating voltage is equal to the current transformer’s nominal voltage. When reading the measured value, additional error resulting from the clip-on current sensor must also be taken into consideration. 46 DranTech ISO User’s Guide Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ@UISO, A/Hz 5.8.5 Alternating Current Measurement with A AC and Hz Clip-On Current Transformer MEASURE FUNC FUNC ...  SET ...  CL IP  0ff Current/Current Transformer Output SETUP ENTER ENTER When a clip-on current transformer is connected to the multimeter (mA/A input), all current displays appear with the correct value in accordance with the selected transformation ra- A~ 1:1000 tio. Hz A~ The only prerequisite is that the current transformer is equipped AC 003.50 TRMS with at least one of the below listed transformation ratios, and that A the ratio has been previously selected in the following menu (Cl ip FUNC ≠ 0FF). ENTER Current Clip Setup Menu VΩ MΩISO COM mA A Temp MEASURE FUNC 1:1000 1nFo  ...  SET rAtE  ...  CLIP SETUP ENTER Hz Ri AC FUNC FUNC 0050.1 1/10/100/1000 / 0ff  Hz ENTER ENTER Ri ≤ 50 Ω Transf. Ratios DMM Measuring Ranges Clip Types CL IP 30 mA 300 mA 3 A Measuring Ranges: 1:1 30.00 mA 300.0 mA 3.000 A 1mA / 1 mA mA / A: see table 1:10 300 mA 3.000 A 30.00 A Hz: 1 Hz . . . 31 kHz ~ 1 mA / 10 mA 3 ranges: 300 Hz, 3 kHz and 30 kHz Current 1:100 3.000 A 30.00 A 300.0 A Rx 1 mA / 100 mA WZ12A, WZ12D, 1:1000 30.00 A 300.0 A 3000.0 A WZ11A, Z3511, 1 mA / 1 A Z3512, Z3514 DranTech ISO User’s Guide 47 Device and Measuring Parameters After repeatedly pressing the MEASURE | SETUP key (without first 6 Device and Measuring Parameters turning the multimeter off), you can return to the last selected The instrument’s “SETUP” mode (menu mode) makes it possible to menu or parameter from the measuring mode. set operating and measuring parameters, query information and activate the interface. ➭ The menu mode is accessed by pressing the Example: Setting Time MEASURE | SETUP key, assuming that the instrument is switched on and set to “Measure” (measuring mode operation). MEASURE FUNC 1nFo  ...  set rAte  ...  t iME SETUP ENTER “1nFo” appears at the display. ➭ The main menus, i.e. the “SET” and “tEMP” menus, as well as FUNC FUNC 10:24 (hh:mm)   ENTER ENTER the “SEnd” and “StorE” menus, are accessed, and the display is returned to “InFo”, by repeatedly activating the   keys (in any direction). Setting hours and minutes: ➭ After selecting the desired main menu, sub-menus are accessed by pressing the FUNC | ENTER key.   Advance to desired entry position.  Change the setting, the entry position blinks. ➭ The desired parameter is selected by repeatedly pressing the Press and hold the key to change the setting rapidly.  keys. FUNC The new time setting is activated after ENTER ➭ In order to check or change a parameter, acknowledge it with acknowledgement. the FUNC | ENTER key. ➭ The   keys can be used to position the cursor at the entry position. The desired value is selected with the help of the  keys. ➭ Changes can only be accepted with the FUNC | ENTER key. ➭ You can return to the sub-menu without making any changes by pressing the ZERO | ESC key, and to the main menu by press- ing the ZERO | ESC key once again etc. ➭ You can switch to the measuring mode from any menu level by pressing the FUNC | ENTER key. 48 DranTech ISO User’s Guide Device and Measuring Parameters 6.1 Paths to the Various Parameters 6.2 List of All Parameters Parameter Page: Header 0.d iSP 51: 0.diSP – show/hide leading zeros 55: Configuring Interface Parameters Addr MEASURE DC 52: APoFF – specified time for automatic shutdown and continuous ON APoFF SETUP AC 020.00 01nfo TRMS V 50: bAtt – query battery voltage bAtt 52: bEEP – set limit value for continuity testing bEEP 23: Measurement Data Recording CLEAr Main Menus → 45: Direct and Pulsating Current Measurement with Clip-On Current Sensor CL IP A DC and A (DC+AC) 1nFo StorE SEnd SET tEMP 46: Alternating Current Measurement with Clip-On Current Sensor, A AC and Hz 50: dAtE – query date, 53: dAtE – enter date dAtE 23: Measurement Data Recording EMpty FUNC FUNC FUNC FUNC FUNC 50: Querying Parameters – InFo Menu (as moving letters) 1nfo ENTER ENTER ENTER ENTER ENTER 55: Configuring Interface Parameters irStb 50: ItEMP – query reference temperature itemp 23: Measurement Data Recording 0CCvP Sub-Menus / Parameters ↓ 51: rAtE – set the sampling rate rAtE Query Set Set Set Set 51: rESoL – high resolution for V DC and W (customer-specific function) bAtt: 000. StArt rAtE °C 0 resol uers ion: CLEAr StoP resol* °F 54: Activating the Interface SEnd 1temp StArt 0.. diSP 51: Entering Parameters – SETUP Menu SET dAtE: StoP vpm* StArt tiME: CL iP Selection Selection Selection StoP 23: Measurement Data Recording 0CCvP: APoFF FUNC FUNC FUNC v_1so store ENTER ENTER ENTER bEEP 33: Temperature Measurement: Temp RTD and Temp TC tEMP irStb 50: tiME – query time, 53: tiME – set time t iME Addr 52: U_ISo – select test voltage v1so dAtE Selection 52: RPM – revolutions per minute (customer-specific function) vpm * Function only available with cus- t iME FUNC tomer-specific variant 50: vErSion – query firmware version uErS ion ENTER DranTech ISO User’s Guide 49 Device and Measuring Parameters 6.3 Querying Parameters – InFo Menu (as moving letters) tiME – query time bAtt – query battery voltage MEASURE FUNC 1nFo bAtt:  ...  t iME: 13:46:56 SETUP ENTER MEASURE FUNC (hh:mm:ss) 1nFo bAtt: 2.75 V. SETUP ENTER h = hours, m = minutes, s = seconds vErSion – query firmware version Date and time must be reentered after replacing the batteries. MEASURE FUNC OCCUP – query memory occupancy 1nFo bAtt:  uErS ion: 1.00 SETUP ENTER MEASURE FUNC 1nFo bAtt:  ...  0CCvP: 000.0% ItEMP – query reference temperature SETUP ENTER The temperature of the internal reference junction is measured with a temperature sensor in close proximity to the input sockets. MEASURE FUNC 1nFo bAtt:  ...  1tEMP: 24 °C SETUP ENTER dAtE – query date MEASURE FUNC 1nFo bAtt:  ...  dAtE: 31.12.05 (DD.MM.YY) SETUP ENTER D = day, M = month, Y = year Date and time must be reentered after replacing the batteries. 50 DranTech ISO User’s Guide Device and Measuring Parameters 6.4 Entering Parameters – SETUP Menu rAtE – set the sampling rate 0.diSP – show/hide leading zeros The sampling rate specifies the time interval after which the This parameter determines whether or not leading zeros will ap- respective measured value is transmitted to the interface, or to pear in the measured value display. measured value memory. MEASURE FUNC FUNC 1nFo  ...  SET rAtE  ...  0.diSP Any one of the following sampling rates can be selected: SETUP ENTER ENTER [mm:ss.t]: 00:00,1, 00:00,2, 00:00.5, 00:01,0, 00:02,0, 00:05.0 0000.0 : with leading zeros (default value) [h:mm:ss.t] (h=hours, m=minutes, s=seconds, z=tenths of a sec.): 0.0 : leading zeros suppressed 0:00:10, 0:00:20, 0:00:30, 0:00:40, 0:00:50, 0:01:00, 0:02:00, 0:05:00, 0:10:00, 0:20:00, 0:30:00, 0:40:00, 0:50:00, 1:00:00, FUNC  2:00:00, 3:00:00, 4:00:00, 5:00:00, 6:00:00, 7:00:00, 8:00:00, ENTER 9:00:00 Setting the Sampling Rate CLIP – set current clip factor MEASURE FUNC FUNC 1nFo  ...  SET rAtE SETUP ENTER ENTER FUNC See chapter 5.8.3, chapter 5.8.4 and chapter 5.8.5. 00:00.1 ... 00:00.5 ... 9:00:00  ENTER (00:00.5 = 0.5 s = default value) rESoL – high resolution for V DC and Ω (customer-specific function) Switching back and forth between 3¾ and 4¾ places is possible for direct voltage and resistance measurement. MEASURE FUNC 1nFo  ...  SET rAtE  ...  resol SETUP ENTER FUNC FUNC 3000 / / 30000  ENTER ENTER (3000 = default setting) DranTech ISO User’s Guide 51 Device and Measuring Parameters APoFF – specified time for automatic shutdown and continuous ON RPM – revolutions per minute (customer-specific function) The instrument is switched off automatically if the measured value remains unchanged for a long period of time and if none of the See section 5.1.2 regarding settings. keys or the rotary switch have been activated before the specified time “APoFF” (entered in minutes) has elapsed. If the on setting is selected, the multimeter is set for long-term bEEP – set limit value for continuity testing measurement and ON appears in the display to the right of the battery symbol. In this case, the multimeter can only be switched MEASURE FUNC 1nFo  ...  SET rAtE  ...  bEEP SETUP off manually. The “on” setting can only be cancelled by changing ENTER the FUNC FUNC 1, 10, 20, 30, 40, 90 Ω  respective parameter, and not by switching the instrument off. ENTER ENTER MEASURE FUNC (10 Ω = default setting) 1nFo  ...  SET rAtE  ...  APoFF SETUP ENTER FUNC FUNC 10 ... 59 min on  ENTER ENTER irStb – status of the infrared receiver in the stand-by mode (10 minutes = default setting) See chapter 7.2 on page 55 regarding settings. U_ISo – select test voltage The desired test voltage for insulation resistance measurement can be selected here: Addr – set device address MEASURE FUNC 1nFo  ...  SET rAtE  ...  v1so See chapter 7.2 on page 55. SETUP ENTER FUNC FUNC ... 500, 1000 V*  ENTER ENTER * Selectable test voltages and the default setting depend upon the respective customer-specific variant. 52 DranTech ISO User’s Guide Device and Measuring Parameters 6.5 Default Settings dAtE – enter date Previously entered changes can be undone, and the default Entering the current date makes it possible to acquire measured settings can be reactivated. This may be advisable under the values in real-time. following circumstances: • after the occurrence of software or hardware errors, MEASURE FUNC 1nFo  ...  SET rAtE  ...  dAtE • if you are under the impression that the multimeter does not SETUP ENTER work correctly. FUNC FUNC 31.12 (DD: day . MM: month)   ENTER ENTER ➭ Disconnect the device from the measuring circuit. ➭ Remove the batteries temporarily (see also chapter 9.2). FUNC 2005 (YYYY: year)   ENTER ZERO ON / OFF ➭ Simultaneously press and hold the and ESC LIGHT Date and time must be reentered after replacing the batteries. keys, and connect the battery at the same time. A sequence of acoustic signals consisting of two immediately tiME – set time consecutive tones acknowledges successful resetting. Entering the correct time makes it possible to acquire measured values in real-time. MEASURE FUNC 1nFo  ...  SET rAtE  ...  t iME SETUP ENTER FUNC FUNC 10:24 (hh:mm)   ENTER ENTER Date and time must be reentered after replacing the batteries. DranTech ISO User’s Guide 53 Interface Operation Starting Continuous Transmission Operation with Menu Functions 7 Interface Operation The multimeter is equipped with an infrared interface for the MEASURE FUNC FUNC transmission of measurement data to a PC. Measured data are 1nFo  ...  SEnd StArt send SETUP ENTER ENTER optically transferred through the instrument housing by means of infrared light to an interface adapter (accessory), which is attached The symbol blinks at the display in order to indicate interface to the multimeter. The adapter’s USB interface allows for the es- operation. tablishment of a connection to the PC via an interface cable. Beyond this, commands and parameters can be transmitted from the PC to the multimeter as well. The following functions can be Stopping Continuous Transmission Operation with Menu Functions executed: MEASURE FUNC • Configuration and read-out of measuring parameters, 1nFo  ...  SEnd send SETUP ENTER • Measuring function and measuring range selection, FUNC FUNC stop send • Start measurement, ENTER ENTER • Read out stored measured values. The symbol is cleared from the display. 7.1 Activating the Interface The interface is automatically activated for receiving operation Automatic Activation and Deactivation of Transmission Mode (multimeter receives data from the PC) as soon as the interface is Operation addressed by the PC, assuming that the “irStb ” parameter has If the sampling rate is 10 seconds or longer, the display is been set to “iron” (see chapter 7.2), or the instrument is already switched off automatically between samples in order to prolong switched on (the first command wakes up the multimeter, but battery service life. The only exception is when the multimeter is does not yet execute any further commands). set to continuous operation. The “continuous transmission” operating mode is selected As soon as an event occurs, the display is automatically switched manually as described below. In this operating mode, the back on. instrument continuously transmits measurement data to the PC via the interface adapter, which can then be displayed with the help of a terminal program. 54 DranTech ISO User’s Guide Interface Operation 7.2 Configuring Interface Parameters Addr – Address If several multimeters are connected to the PC via an interface adapter, a separate address can be assigned to each instrument. irStb – status of the infrared receiver in the stand-by mode Address number 1 should be selected for the first instrument, 2 There are two possible switching statuses for the infrared should be assigned to the second and so forth. interface when the multimeter is switched off: ir on: IR appears at the display and the infrared interface is active, i.e. signals such as making commands can be MEASURE FUNC received, and power is consumed even though the 1nFo  ...  SET rAtE  ...  Addr SETUP ENTER multimeter is switched off. FUNC FUNC iroFF: IR does not appear at the display and the infrared 00 ... 01 ... 15  ENTER ENTER interface is switched off, signals cannot be received. (15 = default setting) MEASURE FUNC 1nFo  ...  SET rAtE  ...  irStb SETUP ENTER FUNC FUNC ir on / ir oFF  ENTER ENTER (irstb = iroFF = default setting) DranTech ISO User’s Guide 55 Technical Data 8 Technical Data Intrinsic Uncertainty Meas. under Reference Conditions Resolution Overload Input Impedance Func- at Upper Range Limit Capacity 2) ±(... % rdg. + ... d) Measuring Range tion 30000 3000 3000 3000 (input) 30000 3000 ~ / ~ 1) 11) 1) 11) Value Time 300.0 mV 10 µV 100 µV 9 MΩ 9 MΩ // < 50 pF 0.15 + 15 10) 0.2 + 310) 1 + 3 (> 100 D) 1.5 + 5 (> 100 D) 1000 V DC 3.000 V 100 µV 1 mV 9 MΩ 9 MΩ // < 50 pF 0.15 + 15 0.15 + 2 AC V 30.00 V 1 mV 10 mV 9 MΩ 9 MΩ // < 50 pF 0.15 + 15 0.15 + 2 Cont. RMS 1 + 3 (> 30 D) 1.5 + 5 (> 100 D) 300.0 V 10 mV 100 mV 9 MΩ 9 MΩ // < 50 pF 0.15 + 15 0.15 + 2 Sine 6) 1000 V 100 mV 1 V 9 MΩ 9 MΩ // < 50 pF 0.15 + 15 0.2 + 2 Voltage drop at approx. range limit ~ 1) 11) 1) 11) 300.0 µA 100 nA 18 mV 18 mV 0.5 + 5 1.5 + 5 (> 100 D) 1.5 + 5 (> 100 D) 3.000 mA 1 µA 160 mV 160 mV 0.2 + 3 0.3 A Cont. 30.00 mA 10 µA 32 mV 32 mV 0.5 + 3 A 300.0 mA 100 µA 200 mV 200 mV 0.2 + 3 1.5 + 5 (> 30 D) 1.5 + 5 (> 100 D) 3.000 A 1 mA 120 mV 120 mV 1 + 5 10 A 5 min 12) 10.00 A 10 mA 400 mV 400 mV 1 + 5 Factor 1:1/10/100/1000 Input Input impedance ~ 1) 11) 1) 11) 0.03/0.3/3/30 A 30 mA A — 1.5 + 5 (> 100 D) — 0.3 A Cont. Current measurement input 0.3/3/30/300 A 300 mA (jack A~) @ A 3/30/300/3k A 3 A Plus clip-on current transformer error 3 A 5 min 0.3/3/30/300 A 300 mV 1.5 + 3 (> 300 D) 1.5 + 5 (> 300 D) Meas. input 6): A 0.5 + 3 Voltage measurement input approx. 9 MΩ 3/30/300/3k A 3 V 1.5 + 3 (> 30 D) 1.5 + 5 (> 100 D) 1000 V ( V socket) max. 10 s @ V 30/300/3k/30k A 30 V Plus clip-on current sensor error RMS ±(... % rdg. + ... d) Open-circuit Meas. current at voltage range limit 30000 3000 0.5 + 3 0.5 + 3 300.0 Ω 10 mΩ 100 mΩ < 1.4 V Approx. 300 µA with ZERO active with ZERO active 3.000 kΩ 100 mΩ 1 Ω < 1.4 V Approx. 200 µA 0.5 + 15 0.5 + 2 1000 V 30.00 kΩ 1 Ω 10 Ω < 1.4 V Approx. 30 µA 0.5 + 15 0.5 + 2 Ω DC 300.0 kΩ 10 Ω 100 Ω < 1.4 V Approx. 3 µA 0.5 + 15 0.5 + 2 AC max. 10 s 3.000 MΩ 100 Ω 1 kΩ < 1.4 V Approx. 0.3 µA 0.5 + 15 0.5 + 2 RMS Sine 30.00 MΩ 1 kΩ 10 kΩ < 1.4 V Approx. 33 nA 2.0 + 20 2.0 + 5 300.0 Ω 100 mΩ ca. 10 V 3 + 5 Approx. 1 mA const. 5.1 V 3) 1 mV ca. 10 V 2 + 5 56 DranTech ISO User’s Guide Technical Data Meas. Resolution Overload Func- at Upper Range Limit Intrinsic Uncertainty Capacity 2) Measuring Range tion under Reference Conditions 3000 Value Time (input) Discharge resist. U0 max ±(... % rdg. + ... d) 30.00 nF 10 pF 10 MΩ 0.7 V 1 + 6 4) with ZERO function active 1000 V 300.0 nF 100 pF 1 MΩ 0.7 V 1 + 6 4) DC F 3.000 µF 1 nF 100 kΩ 0.7 V 1 + 6 4) AC max. 10 s RMS 30.00 µF 10 nF 12 kΩ 0.7 V 1 + 6 4) Sine 300.0 µF 100 nF 3 kΩ 0.7 V 5 + 6 4) fmin 5) ±(... % rdg. + ... d) 300.0 Hz 0.1 Hz Hz (V)/ Hz (V) 6): 1 Hz 3.000 kHz 1 Hz Hz(A )6): Hz (A) 0.1 + 2 8) 1000 V max. 10 s 30.00 kHz 10 Hz 10 Hz Hz (A ) Hz (A): 7) Hz (V) 300.0 kHz 100 Hz 100 Hz ±(... % rdg. + ... d) 9) – 200.0 ... Pt 100 0.5 %+ 15 +850.0 °C 1000 V – 150.0 ... DC/AC °C Pt 1000 0.1 °C 0.5 %+ 15 max. 10 s +850.0 °C RMS Sine K – 250.0 ... 1% + 5 K (NiCr-Ni) +1372.0 °C 1) 10) 15 ... 45 ... 65 Hz ... 10 (5) kHz sine. See following page for influences. With ZERO function active 2) 11) At 0 ° ... + 40 °C Residual value of 1 to 10 d with short circuited terminal tips, 3) Display of up to max. 5.1 V, “OL” in excess of 5.1 V. exception: mV / µA range of 1 to 35 d at zero point due to the TRMS converter 4) Applies to measurements at film capacitors 5) Lowest measurable freq. for sinusoidal meas. signals symmetrical to zero point 6) Overload capacity of the voltage measurement input: power limiting: frequency x max. voltage 3 x 106 V x Hz @ U > 100 V 7) Overload capacity of the current measurement input: See current measuring ranges for maximum current values. 8) Input sensitivity, sinusoidal signal, 10% to 100% of the voltage or current measuring range; limitation: up to 30% of the range at up to 100 kHz in the mV measuring range, 30% of the range in the 3 A measuring range. The voltage measuring ranges with Key: R = meas. range, d = digit(s), rdg. = measured value (reading) max. 30 kHz apply in the A measuring range. 9) Plus sensor deviation DranTech ISO User’s Guide 57 Technical Data Insulation Resistance Measurement 1) Influencing Quantities and Influence Error Digital Display Influencing Sphere of Measured Quantity / Influence Error Test voltage Intrinsic Uncertainty Quantity Influence Measuring Range 1) (...% rdg. + ... d) / 10 K Measuring Range Resolution UISO under Reference V 0.2 + 5 Conditions V 0.4 + 5 0,3 V ... 1000 V 2) Ri=1MΩ 3 + 30 > 100 Digit 5 ... 310.0 kΩ 0,1 kΩ 50/100/250/500 V 3 + 5 300 Ω ... 3 MΩ 0.5 + 5 0.280 ... 3.100 MΩ 1 kΩ 50/100/250/500/1000 V 3 + 5 30 MΩ 1 + 5 0 °C ... +21 °C 02.80 ... 31.00 MΩ 10 kΩ 50/100/250/500/1000 V 5 + 5 Temperature and mA/A 0.5 + 5 +25 °C ... +40 °C 028.0 ... 310.0 MΩ 100 kΩ 50/100/250/500/1000 V 5 + 5 mA/A 0.8 + 5 0280 ... 3100 MΩ 1 MΩ 500/1000 V 5 + 5 30 nF ... 300 µF 1 + 5 1) During insulation measurement (MΩ@UISO): If ERROR is displayed >> Hz 0.2 + 5 limits: Uinterference > 10....20 V and Uinterference ≠ UISO, Ri < 50 kΩ @ Uiso 50 V, °C/°F (Pt100/Pt1000) 0.5 + 5 Ri < 100 kΩ @ Uiso 100 V, Ri < 250 kΩ @ Uiso 250 V, Ri < 500 kΩ @ Uiso 500 V, Ri < 1000 kΩ @ Uiso 1000 V 1) With zero balancing 2) Interference voltage measurement TRMS (V AC + DC) with 1 MΩ input resistance, Bandwidth 15 Hz ... 500 Hz, measuring error 3% + 30 Digit Measured Influencing Intrinsic Uncertainty 3) Quantity / Mea- Sphere of Influence Measuring Nom. Open- Nom. Short- Acoustic Overload Capacity Quantity ±( ... % rdg. + ... d) suring Range Function Voltage Circuit Cur- Circuit Signal for Value Time UN Voltage rent IN Cur- > 15 Hz ... 45 Hz 2 + 5 > 300 Digit 300 mV Uo rent Ik VAC ... > 65 Hz ... 2 kHz 2 + 5 > 300 Digit 2) 300 V Uinterference/ > 2 kHz ... 10 kHz 3 + 5 > 300 Digit — — — U>1000V 1000 V Cont. MΩ@UISO — 1000 V > 65 Hz ... 5 kHz 3 + 5 > 60 Digit MΩ@UISO 50, 100, max. 1.0 mA < 1.2 U>1000V 1000 V 10 s > 15 Hz ... 45 Hz 300 µA ... AAC 3 + 10 > 300 Digit 250, 1.1x UIso mA 10 A > 65 Hz ... 10 kHz Frequency 500 V > 15 Hz ... 45 Hz AAC+D 300 µA ... MΩ@UISO 1000 V max. 0.5 mA < 1.2 U>1000V 1000 V 10 s 3 + 30 > 300 Digit 10 A > 65 Hz ... 10 kHz C 1.1x UIso mA AAC 300 mV / > 65 Hz ... 10 kHz 3 + 5 > 300 Digit 3 V / 30 V2) Internal Clock AAC 30 mA...3 A > 65 Hz ... 10 kHz 3 + 30 > 300 Digit Time format TT.MM.JJJJ hh:mm:ss Resolution 0.1 s 2) Power limiting: frequency x voltage, max. 3 x 106 V x Hz 3) Accuracy ±1 minute per month The accuracy specification is valid as of a display value of 10% and up to 100% of the measuring range for both measuring modes with the Temperature TRMS converter in the A AC and A (AC+DC) ranges. influence 50 ppm/K 58 DranTech ISO User’s Guide Technical Data Response Time (after manual range selection) Influencing Sphere of Measured Quantity / Measured Quantity Influence Error 5) Measured Quantity / Response Time Quantity Influence Measuring Range Measuring Range Digital Display Jump Function 1 ... 3 ± 1% rdg. V , V From 0 to 80% 1.5 s Crest Factor CF V , A A , A of upper range limit value > 3 ... 5 ± 3% rdg. 300 Ω ... 3 MΩ 2 s 5) Except for sinusoidal waveshape 30 MΩ, MΩ@UISO Max. 5 s From ∞ to 50% Continuity < 50 ms of upper range limit value Influencing Sphere of °C (Pt 100) Max. 3 s Measured Quantity Influence Error Quantity Influence 1.5 s 75%, 30 nF ... 300 µF Max. 5 s Relative From 0 to 50% 3 days, V, A, Ω, F, Hz, °C 1 x intrinsic uncertainty Humidity of upper range limit value instrument off >10 Hz 1.5 s Included in intrinsic Battery voltage 1.8 to 3.6 V ditto uncertainty Reference Conditions Ambient temperature +23° C ±2K Measured Qty. / Influencing Relative humidity 40% to 75% Sphere of Influence Measuring Damping Quantity Range Meas. Qty. Freq. 45 Hz … 65 Hz Interference quantity max. 1000 V V > 120 dB Meas. Qty. Waveshape Sine Common Mode 3 V , 30 V > 80 dB Battery voltage 3 V ±0.1 V Interference Interference quantity max. 1000 V 300 V > 70 dB Voltage 50 Hz ... 60 Hz, sine 1000 V > 60 dB Interference quantity: V , Ambient Conditions respective nominal value of the Series Mode V > 50 dB Accuracy range 0° C ... +40° C measuring range, Interference max. 1000 V , 50 Hz ... 60 Hz sine Operating temp. range -10° C ... +50° C Voltage Interference quantity max. 1000 V V > 110 dB Storage temp. range -25° C ... +70° C (without batteries) Relative humidity 40 to 75%, no condensation allowed Elevation to 2000 m Deployment Indoors and Outdoors DranTech ISO User’s Guide 59 Technical Data Display Power Supply LCD panel (65 mm x 36 mm) with analog and digital display includ- Battery 2 ea. 1.5 V alkaline manganese batteries (2 ea. size AA), alkaline manganese per ing unit of measure, type of current and various special functions IEC LR6 Background illumination Service life With alkaline manganese batteries: approx. Background illumination is switched off approximately 1 minute 200 hours (without MΩ@UISO measurement) after it has been activated. Battery test Battery capacity display with battery symbol in 4 segments: . Analog Querying of momentary battery voltage via Display LCD scale with pointer menu function. Scaling Linear: Power OFF function The multimeter is switched off automatically: 5 ... 0 ... ±30 with 35 scale divisions – If battery voltage drops to below approx. for , 0 ... 30 with 30 scale divisions in all 1.8 V other ranges – If none of the keys or the rotary switch are Polarity display With automatic switching activated for an adjustable duration of 10 Overflow display With the symbol to 59 minutes, and the multimeter is not in Measuring rate 40 measurements per second and display the continuous operation mode refresh Power pack socket If the power pack has been plugged into the instrument, the installed batteries are Digital disconnected automatically. Display/Char. Height 7-segment characters / 15 mm Rechargeable batteries can only be Number of places 3¾ places, 3100 steps recharged externally. 4¾ places in measuring function V DC and Ω Number of Possible Resistance Overflow display “OL” is displayed for ≥3100 digits Measuring Nominal Service life Measurements with Polarity display “–” (minus sign) is displayed Function Voltage UN of the in Hours Nominal Current per DUT VDE 0413 if plus pole is connected to “⊥” V 200 1) Measuring rate 10 and 40 measurements per second with V 150 1) the Min/Max function except for the capacitance, frequency and keying ratio 100 V 1 MΩ 50 measuring functions 100 V 100 kΩ 3000 MΩ Refresh Rate 2 times per sec., every 500 ms 500 V 500 kΩ 600 1000 V 2 MΩ 200 1) Times 0.7 for interface operation 60 DranTech ISO User’s Guide Technical Data Electrical Safety Data Interface Safety class II per EN 61010-1:2001/VDE 0411-1:2002 Type Optical via infrared light through the housing Measuring category CAT II CAT III Data transmission Serial, bidirectional (not IrDa compatible) Protocol Device specific Nominal voltage 1000 V 600 V Baud Rate 38,400 baud Fouling factor 2 Functions – Select/query measuring functions Test voltage 5.2 kV~ per EN 61010-1:2001/VDE 0411- and parameters 1:2002 – Query momentary measurement data The USB plug-in interface adapter (see accessories) is used for Fuses adaptation to the PC’s USB port. Fuse link FF 10 A/1000 V AC/DC; 10 mm x 38 mm; switching capacity: Internal Measured Value Storage 30 kA at 1000 V AC/DC; protects the current measurement input in Memory capacity 540 kB for approx. 15,000 measured val- the 300 µA through 10 A ranges ues with indication of date and time Electromagnetic Compatibility (EMC) Mechanical Design Interference emission EN 61326-1:2006, class B Housing Impact resistant plastic (ABS) Interference immunity EN 61326-1:2006 Dimensions 200 x 87 x 45 mm EN 61326-2-1:2006 (without protective rubber cover) Weight Approx. 0.35 kg with batteries Protection Housing: IP 65 (pressure equalization by means of the housing) Table Excerpt Regarding Significance of the IP Code IP XY Protection against IP XY Protection against the (1st digit X) foreign object entry (2nd digit Y) penetration of water 4 ≥ 1.0 mm dia. 4 splashing water 5 dust protected 5 water jets DranTech ISO User’s Guide 61 Maintenance – Calibration 9 Maintenance and Calibration Note Battery Replacement ! Attention! Stored measurement data are lost when the batteries are Disconnect the instrument from the measuring circuit before replaced. In order to prevent data loss, it is advisable to opening the battery compartment lid or fuse cover when re- backup your data to a PC with the help of DranWin 10 soft- placing batteries or fuses! ware before replacing the batteries. The selected operating parameters remain in memory, although date and time must be reentered. 9.1 Displays – Error Messages Message Function Meaning Battery Current measurement Blown fuse FUSE The current battery charge level can be queried in the “1nfo” In all operating modes Battery voltage has fallen below 1.8 V menu: Measurement Indicates overflow 0L MEASURE FUNC MΩISO measurement Measured value of less than 10% of the 1nFo bAtt: 2.75 V. ur SETUP ENTER measuring range MΩISO measurement Interference voltage detected error Make sure that no battery leakage has occurred before initial start-up, as well as after long periods of storage. Continue to in- 9.2 Batteries spect the batteries for leakage at short, regular intervals. Note If battery leakage has occurred, carefully and completely clean Removing the Batteries During Periods of Non-Use the electrolyte from the instrument with a damp cloth, and replace The integrated quartz movement draws power from the the battery before using the instrument. batteries even when the instrument is switched off. It is If the “ ” symbol appears at the display, the batteries should advisable to remove the batteries during long periods of be replaced as soon as possible. You can continue working with non-use for this reason (e.g. vacation). This prevents exces- the instrument, but reduced measuring accuracy may result. sive depletion of the battery, which may result in damage The instrument requires two 1.5 V batteries in accordance with under unfavorable conditions. IEC LR 6, or two equivalent rechargeable NiCd batteries. 62 DranTech ISO User’s Guide Maintenance – Calibration Replacing the Batteries If the fuse is blown or has not been inserted, “FuSE” appears at the digital display. The fuse interrupts the current measuring ranges. All other measuring ranges remain functional. ! Attention! Disconnect the instrument from the measuring circuit before opening the battery compartment lid in order to replace the batteries. DC Blown Fuse ➭ Set the instrument face down onto the working surface. fuse A ➭ Turn the slotted screw on the lid with the battery symbols counterclockwise. Replacing the Fuse ➭ Lift off the lid and remove the batteries from the battery If a fuse should blow, eliminate the cause of overload before compartment. placing the instrument back into service! ➭ Insert two new 1.5 V alkaline manganese batteries into the battery compartment, making sure that the plus and minus ! Attention! Disconnect the instrument from the measuring circuit before poles match up with the provided polarity symbols. opening the fuse cover in order to replace the fuse! ➭ When replacing the battery compartment lid, insert the side with the guide hooks first. ➭ Set the instrument face down onto the working surface. Tighten the screw by turning it clockwise. ➭ Turn the slotted screw on the cover with the fuse symbol ➭ Please dispose of depleted batteries in accordance with counterclockwise. environmental protection regulations! ➭ Lift off the cover and pry the fuse out using the flat side of the fuse cover. 9.3 Fuses ➭ Insert a new fuse. Make sure that the fuse is centered, i.e. between the tabs at the sides. Testing the Fuse ➭ When replacing the fuse cover, insert the side with the guide The fuse is tested automatically: hooks first. Tighten the screw by turning it clockwise. • When the instrument is switched on with the rotary switch in ➭ Dispose of the blown fuse with the trash. the A position • When the instrument is already on and the rotary switch is turned to the A position • In the active current measuring range when voltage is applied DranTech ISO User’s Guide 63 Maintenance – Calibration 9.4 Housing Maintenance ! No special maintenance is required for the housing. Keep outside Attention! Use specified fuses only! surfaces clean. Use a slightly dampened cloth for cleaning. Avoid If fuses with other blowing characteristics, other current the use of cleansers, abrasives or solvents. ratings or other breaking capacities are used, the operator is placed in danger, and protective diodes, resistors and other components may be damaged. 9.5 Return and Environmentally Sound Disposal The use of repaired fuses or short-circuiting the fuse holder The instrument is a category 9 product (monitoring and control is prohibited. instrument) in accordance with ElektroG (German electrical and electronic device law). This device is not subject to the RoHS directive. We identify our electrical and electronic devices (as of Note Testing the Fuse with the Instrument Switched On August 2005) in accordance with WEEE 2002/96/EC After inserting the fuse with the instrument switched on, the and ElektroG with the symbol shown at the right per instrument must be switched off briefly and then switched DIN EN 50419. back on, or briefly switched to a non current measuring These devices may not be disposed of with the trash. range and then back to the A measuring range. Please contact our service department regarding the return of old If contact is poor or the fuse is blown, FUSE appears at the devices (see page 4). display. 9.6 Recalibration Service We calibrate and recalibrate all instruments supplied by Dranetz-BMI, as well as other manufacturers, at our service cen- ter, for example after one year within the framework of your test equipment monitoring program, as well as prior to use etc. (see address on page 4). 64 DranTech ISO User’s Guide Maintenance – Calibration 9.7 Manufacturer’s Guarantee The multimeter is guaranteed for a period of 3 years after ship- ment. The manufacturer’s guarantee covers materials and work- manship. Damages resulting from use for any other than the in- tended purpose, as well as any and all consequential damages, are excluded. Calibration is guaranteed for a period of 12 months. DranTech ISO User’s Guide 65 Accessories 10 Accessories 10.3 Power Pack NA (not included) Use only power packs from Dranetz-BMI only in combination with 10.1 General your instrument. This assures operator safety by means of an The extensive accessories available for our measuring instru- extremely well insulated cable, and safe electrical isolation (nomi- ments are checked for compliance with currently valid safety reg- nal secondary ratings: 5 V / 600 mA). ulations at regular intervals, and are expanded as required for new Installed batteries are disconnected electronically if the power applications. Currently up-to-date accessories which are suitable pack is used, and need not be removed from the instrument. for your measuring instrument are listed at the following web ad- dress along with photo, order number, description and, depend- ing upon the scope of the respective accessory, data sheet and operating instructions: www.dranetz-bmi.com (→ Products → Measuring Technology – Portable → Digital Multimeters → DranTech ... → Accessories). 10.2 Technical Data for Measurement Cables Electrical Safety Maximum rated voltage Measuring category 1000 V CAT III, 600 V CAT IV Maximum rated current 16 A Ambient Conditions (EN 61010-031) Temperature –20 °C ... + 50 °C Relative humidity 50 to 80% Pollution degree 2 66 DranTech ISO User’s Guide Accessories 10.4 Interface Accessories (not included) USB Bidirectional Interface Adapter This adapter makes it possible to connect cable multimeters, as well as DranTech ISO multimeters which are equipped with a serial IR interface, to the USB port at a PC. The adapter allows for data transmission between the multimeter and the PC. DranWin 10 PC Analysis Software DranWin 10 PC software is a multilingual, measurement data log- ging program for recording, visualizing, evaluating and document- ing measured values from DranTech multimeters. The following conditions must be fulfilled in order to allow for use of DranWin 10: Hardware – IBM compatible Windows PC, 200 MHz Pentium processor or faster with at least 64 MB RAM – SVGA monitor with at least 1024 x 768 pixels – Hard disk with at least 40 MB available memory capacity – CD ROM drive – Microsoft compatible mouse – Windows supported printer – 1 USB port for the use of USB Software – MS Windows 98, ME, NT4.0, 2000 or XP or VISTA DranTech ISO User’s Guide 67 Index Diode Test ............................................................. 37 Memory 11 Index Discharge .............................................................. 41 Clear .............................................................. 24 Numerics Display Illumination .............................................. 16 Ending Recording ......................................... 24 0.diSP ................................................................... 51 Querying Occupancy .................................... 24 E A Start Recording ............................................. 23 ERROR .................................................................. 41 Addr ...................................................................... 55 Error Messages .................................................... 62 O APoFF ................................................................... 52 OCCUP ...................................................................50 Auflösung, hohe bei V DC und Ohm ................... 51 F Overview Automatic Shutdown Fuse Keys and Connections .................................. 12 Disable ..........................................................17 Replacement .................................................63 Parameters ................................................... 49 Specify Time .................................................17 I Auto-Range Function ........................................... 18 P Interfaces Power Pack Accessories ...................................................67 B Accessories .................................................. 66 bAtt ....................................................................... 50 Statuses .........................................................13 Initial Start-Up ............................................... 16 Batteries irStb ....................................................................... 55 Power Pack Adapter Socket Charge Level .................................................62 itEMP ..................................................................... 50 Position of the Connector Socket ................ 15 Level Indicator ..............................................13 K Product Support ......................................................3 Periods of Non-Use ......................................62 Keying Ratio Measurement .................................. 30 Product Support Hotline .........................................3 Replacement .................................................63 M bEEP ..................................................................... 52 R Maintenance rAtE ........................................................................51 C Housing .........................................................64 Recalibration Service ........................................4, 64 Cable Resistance ................................................. 33 Manufacturer’s Guarantee ................................... 65 Recognition of Interference Voltage .....................41 Capacitance Measurement ................................. 38 Measured Value Storage Reference Junction ...............................................35 Clip-On Current Sensor ................................. 45, 46 DATA Function ..............................................21 Repair and Replacement Parts Service .................4 Continuity Test ..................................................... 36 MIN/MAX Values ...........................................22 Resistance Measurement .....................................32 Current Measurement Measurement Cables ........................................... 66 Resolution, high for V DC and Ohm .....................51 Notes .............................................................42 Measuring Category RPM Measurement (function only available with Significance .....................................................8 D customer-specific variant) ....................................31 dAtE ................................................................ 50, 53 Measuring Range Selection S Default Settings .................................................... 53 Automatic ......................................................18 Safety Precautions ..................................................8 Device Returns ..................................................... 64 Manual ...........................................................18 68 DranTech ISO User’s Guide Index Software Enabling .................................................. 3 Standard Equipment .............................................. 2 Switching the Instrument On Manual ..........................................................16 Via PC ............................................................16 Symbols Device ............................................................15 Digital Display ...............................................13 Rotary Switch Positions ................................14 T Temperature Measurement with Resistance Thermometers ...................33 with Thermocouples .....................................35 tiME ................................................................. 50, 53 Training ................................................................... 3 U ur (under-range) ................................................... 62 Use for Intended Purpose .................................... 10 V vErSion .................................................................. 50 Voltage Comparator ............................................. 29 Voltage Measurement Notes .............................................................26 Voltage Measurements Above 1000 V ...............................................31 W WEEE Mark ........................................................... 15 DranTech ISO User’s Guide 69 Index This page intentionally left blank. 70 DranTech ISO User’s Guide Index DranTech ISO User’s Guide 71 Edited in United States • Subject to change without notice • A pdf version is available on the internet Dranetz-BMI Phone 1-800-372-6832 or 732-287-3680 1000 New Durham Road Fax 732-248-1834 Edison, New Jersey 08818-4019 • USA www.dranetz-bmi.com