Gossen MetraWatt METRAHIT ISO Operation Manual

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[Page 1] Gossen MetraWatt METRAHIT ISO

METRAHITISO TRMS Multimeter with Insulation Measurement Operating Instructions 3-349-416-03 9/4.12 ...

[Page 2] Gossen MetraWatt METRAHIT ISO

2 GMC-I Messtechnik GmbH Standard Equipment Contact Persons Standard Equipment 1 Multimeter for isolation measurement 1 protective rubber cover 1 KS17-2 cable set 1 condensed operating instructions, English/German 1 operating instructions in English ...

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GMC-I Messtechnik GmbH 3 Contact Persons Accessories (sensors, plug inserts, adapters, consumable materials) The accessories available for your instrument are checked for compliance with currently valid safety regulations at regular intervals, and ...

[Page 4] Gossen MetraWatt METRAHIT ISO

4 GMC-I Messtechnik GmbH Standard Equipment Contact Persons Recalibration Service We calibrate and recalibrate all instruments supplied by GMC-I Messtechnik GmbH, as well as other manufacturers, at our ser- vice center, for example after one year wi...

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GMC-I Messtechnik GmbH 5 Contact Persons Competent Partner GMC-I Messtechnik GmbH is certified in accordance with DIN EN ISO 9001:2008. Our DKD calibration lab is accredited by the Physikalisch- Technischen Bundesanstalt (German Federal Institute of...

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6 GMC-I Messtechnik GmbH Table of Contents Contents Page Contents Page 1 Safety Features and Precautions ....................................... 8 1.1 Use for Intended Purpose ................................................................10 1.2 Me...

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GMC-I Messtechnik GmbH 7 Table of Contents Contents Page Contents Page 6 Device and Measuring Parameters ................................... 48 6.1 Paths to the Various Parameters .................................................... 49 6.2 List of A...

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8 GMC-I Messtechnik GmbH Safety Warnings 1 Safety Features and Precautions You have selected an instrument which provides you with a high level of safety. This instrument fulfills the requirements of applicable European and national EC directives. ...

[Page 9] Gossen MetraWatt METRAHIT ISO

GMC-I Messtechnik GmbH 9 Safety Warnings • Make certain that the measurement cables are in flawless condition, e.g. no damage to insulation, no interruptions in cables or plugs etc. • No measurements may be made with this instrument in electri...

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10 GMC-I Messtechnik GmbH Safety Warnings 1.1 Use for Intended Purpose • The respective multimeter is a portable device which can be held in the hand during the performance of measurements. • Only those types of measurements described in chapter...

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GMC-I Messtechnik GmbH 11 Safety Warnings ...

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12 GMC-I Messtechnik GmbH Operating Overview – Connections, Keys, Rotary Switch, Symbols 2 Operating Overview – Connections, Keys, Rotary Switch, Symbols 1 Display (LCD) (see page 13 for significance of symbols) 2 MAN / AUTO shift key for manual...

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GMC-I Messtechnik GmbH 13 Operating Overview – Connections, Keys, Rotary Switch, Symbols Symbols used in the Digital Display 1 Battery level indicator 2 ON: continuous operation (automatic shutdown deactivated) 3 MAN: manual measuring range select...

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14 GMC-I Messtechnik GmbH 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 1M 0...

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GMC-I Messtechnik GmbH 15 Operating Overview – Connections, Keys, Rotary Switch, Symbols User Interface Symbols in the Following Chapters  ...  Scroll through main menu  ...  Scroll through submenu   Select decimal point  I...

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16 GMC-I Messtechnik GmbH Initial Start-Up – Setup 3 Initial Start-Up 3.1 Batteries Be certain to refer to chapter 9.2 regarding correct battery installation! Momentary battery voltage can be queried in the “Info” menu (see chapter 6.3). Att...

[Page 17] Gossen MetraWatt METRAHIT ISO

GMC-I Messtechnik GmbH 17 Initial Start-Up – Setup 3.4 Switching the Instrument Off Switching the Instrument Off Manually Ð Press the ON / OFF | LIGHT key until 0FF appears at the display. Shutdown is acknowledged with a brief acoustic signal. Aut...

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18 GMC-I Messtechnik GmbH Control Functions 4 Control Functions 4.1 Selecting Measuring Functions and Measuring Ranges 4.1.1 Automatic Range Selection The multimeter is equipped with auto-ranging for all measuring functions, except for temperature m...

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GMC-I Messtechnik GmbH 19 Control Functions 4.1.3 Quick Measurements Measurements performed using a suitable fixed measuring range are executed more quickly than those which utilize automatic range selection. Quick measurement is made possible with...

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20 GMC-I Messtechnik GmbH Control Functions Ð Briefly press the ZERO | ESC key. The instrument acknowledges storage of the reference value with an acoustic signal, and the “ZERO REL” or the “REL” symbol appears at the LCD. The value...

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GMC-I Messtechnik GmbH 21 Control Functions 4.4 Measured Value Storage: DATA (auto-hold / compare) An individual measured value can be automatically “frozen” with the DATA function (auto-hold). This is useful, for example, when contacting the m...

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22 GMC-I Messtechnik GmbH Control Functions Example The voltage measuring range is set manually to 30 V. The first measured value is 5 V and is stored to memory because it is greater than 10% of the measuring range (= 3 V), and is thus reliable ab...

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GMC-I Messtechnik GmbH 23 Control Functions 4.4.2 Saving Minimum and Maximum Values – MIN/MAX Function Minimum and maximum measured values applied to the measuring instrument’s input after the Min/Max function has been activated can be “froze...

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24 GMC-I Messtechnik GmbH Control Functions 4.5 Measurement Data Recording The multimeter is capable of recording measurement data using an adjustable sampling rate for long periods of time in the form of measurement series. Data are stored to a ba...

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GMC-I Messtechnik GmbH 25 Control Functions During Recording STORE is displayed underneath the analog display during memory mode operation, and memory occupancy can be monitored: StoP  000.3% The following message appears as soon as memory is ...

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26 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5 Measurements 5.1 Voltage Measurement Notes Regarding Voltage Measurement • The multimeter may only be operated with installed batteries. Dangerous voltage...

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GMC-I Messtechnik GmbH 27 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC) Ð Set the CL iP parameter to 0FF in the current clip setup menu. Otherwise all measured va...

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28 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.1.2 Alternating Voltage and Frequency Measurement V AC and Hz with Selectable Low-Pass Filter Ð Set the CL iP parameter to 0FF in the current clip setup me...

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GMC-I Messtechnik GmbH 29 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz Specified measuring accuracy is not reached with signals of greater than 500 Hz when the filter is active. Voltage Comparator for Displaying Dangerous Voltage...

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30 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz Keying Ratio Measurement (this function only available with customer-specific variant) Ð Set the rotary switch to V~. Ð Repeatedly press the FUNC | ENTER m...

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GMC-I Messtechnik GmbH 31 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz RPM Measurement (function only available with customer-specific variant) Revolutions per minute (also known as rotational frequency) are measured by acquiring...

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32 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.2 Resistance Measurement,  Ð Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitor...

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GMC-I Messtechnik GmbH 33 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.3 Temperature Measurement: Temp RTD and Temp TC Temperature measurement is performed with a Pt100 or Pt1000 resistance thermometer, or a type K thermocouple...

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34 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz COM mA A V Tem p  MISO 0025.6  C Pt1000 RTD 0000.0  Short Leads r000.5  Enter Cable Resistance Automatic RTD Compensation Measuring Ranges RT...

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GMC-I Messtechnik GmbH 35 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.3.2 Measurement with Thermocouples, Temp TC Ð Set the rotary switch to “Temp RTD ”. Note The last selected temperature measurement or the last select...

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36 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.4 Continuity Test Ð Disconnect supply power from the electrical circuit of the de- vice to be measured, and discharge all high-voltage capaci- tors. Ð Mak...

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GMC-I Messtechnik GmbH 37 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.5 Diode Testing with Constant Current of 1 mA Ð Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-...

[Page 38] Gossen MetraWatt METRAHIT ISO

38 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.6 Capacitance Measurement Ð Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors....

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GMC-I Messtechnik GmbH 39 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.7 Insulation Resistance Measurement – M @UISO 5.7.1 Preparing for Measurement Note Testing the Measurement Cables The test probes at the ends of th...

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40 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz Caution: High-Voltage! Do not touch the conductive ends of the test probes when the instrument has been activated for the measurement of insulation resist...

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GMC-I Messtechnik GmbH 41 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz Automatic Recognition of Interference Voltage during Insulation Resistance Measurement If the instrument detects interference voltage of greater than 15 V AC...

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42 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.8 Current Measurement Notes Regarding Current Measurement • The multimeter may only be operated with installed batteries or rechargeable batteries. Danger...

[Page 43] Gossen MetraWatt METRAHIT ISO

GMC-I Messtechnik GmbH 43 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.8.1 Direct and Pulsating Current Measurement, Direct Connection, A DC and A (DC+AC) Ð First disconnect supply power from the measuring circuit or the powe...

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44 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.8.2 Alternating Current and Frequency Measurement, Direct Connection, A AC and Hz Ð First disconnect supply power from the measuring circuit or the power ...

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GMC-I Messtechnik GmbH 45 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.8.3 Direct and Pulsating Current Measurement with Clip-On Current Sensor A DC and A (DC+AC) Transformer Output, Voltage/Current When a clip-on current senso...

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46 GMC-I Messtechnik GmbH Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.8.4 Alternating Current Measurement with Clip-On Current Sensor, A AC and Hz Transformer Output, Voltage/Current When a clip-on current sensor is connected ...

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GMC-I Messtechnik GmbH 47 Measurements: V/Hz, , , Temp (°C/°F), , M @UISO , A/Hz 5.8.5 Alternating Current Measurement with A AC and Hz Clip-On Current Transformer Current/Current Transformer Output When a clip-on current transformer is co...

[Page 48] Gossen MetraWatt METRAHIT ISO

48 GMC-I Messtechnik GmbH Device and Measuring Parameters 6 Device and Measuring Parameters The instrument’s “SETUP ” mode (menu mode) makes it possible to set operating and measuring parameters, query information and activate the interface. ...

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GMC-I Messtechnik GmbH 49 Device and Measuring Parameters 6.1 Paths to the Various Parameters 6.2 List of All Parameters bAtt : uers ion : 1temp dAtE : t iME : 0CCvP : 1nFo tEMPSEnd SET StorE StArt StoP 000.0 CLEAr StArt StoP Sub-Menus / Para...

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50 GMC-I Messtechnik GmbH Device and Measuring Parameters 6.3 Querying Parameters – InFo Menu (as moving letters) bAtt – query battery voltage 1nFo bAtt : 2.75 V. vErSion – query firmware version 1nFo bAtt:  uErS ion : 1.00 ItEMP – ...

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GMC-I Messtechnik GmbH 51 Device and Measuring Parameters 6.4 Entering Parameters – SETUP Menu rAtE – set the sampling rate The sampling rate specifies the time interval after which the respective measured value is transmitted to the interface,...

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52 GMC-I Messtechnik GmbH Device and Measuring Parameters APoFF – specified time for automatic shutdown and continuous ON The instrument is switched off automatically if the measured value remains unchanged for a long period of time and if none of...

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GMC-I Messtechnik GmbH 53 Device and Measuring Parameters dAtE – enter date Entering the current date makes it possible to acquire measured values in real-time. 1nFo  ...  SET rAtE  ...  dAtE 31.12 (DD: day . MM: month)  �...

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54 GMC-I Messtechnik GmbH Interface Operation 7 Interface Operation The multimeter is equipped with an infrared interface for the trans- mission of measurement data to a PC. Measured data are opti- cally transferred through the instrument housing by ...

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GMC-I Messtechnik GmbH 55 Interface Operation 7.2 Configuring Interface Parameters irStb – status of the infrared receiver in the stand-by mode There are two possible switching statuses for the infrared interface when the multimeter is switched of...

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56 GMC-I Messtechnik GmbH Technical Data 8 Technical Data Meas. Func- tion (input) Measuring Range Resolution at Upper Range Limit Input Impedance Intrinsic Uncertainty under Reference Conditions Overload Capacity 2) (... % rdg. + ... d) 30...

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GMC-I Messtechnik GmbH 57 Technical Data 1) 15 ... 45 ... 65 Hz ... 10 (5) kHz sine. See following page for influences. 2) At 0  ... + 40 C 3) Display of up to max. 5.1 V, “OL” in excess of 5.1 V. 4) Applies to measurements at film capacito...

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58 GMC-I Messtechnik GmbH Technical Data Insulation Resistance Measurement 1) 1) During insulation measurement (M @UISO ): If „Error“ is displayed >> limits: U interference > 10....20 V and U interference  U ISO , Ri &l...

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GMC-I Messtechnik GmbH 59 Technical Data 5) Except for sinusoidal waveshape Response Time (after manual range selection) Reference Conditions Ambient temperature +23 C 2K Relative humidity 40% to 75% Meas. Qty. Freq. 45 Hz ...65 Hz Meas. Qt...

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60 GMC-I Messtechnik GmbH Technical Data Display LCD panel (65 mm x 36 mm) with analog and digital display in- cluding unit of measure, type of current and various special func- tions Background illumination Background illumination is switched off ap...

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GMC-I Messtechnik GmbH 61 Technical Data Electrical Safety Safety class II per EN 61010-1:2001/VDE 0411-1:2002 Measuring category CAT II CAT III Nominal voltage 1000 V 600 V Fouling factor 2 Test voltage 5.2 kV~ per EN 61010-1:2001/VDE 0411- 1:2002 ...

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62 GMC-I Messtechnik GmbH Maintenance – Recalibration 9 Maintenance and Recalibration Note Disconnect the instrument from the measuring circuit before opening the battery compartment lid or fuse cover when replacing batteries or fuses! 9.1 Disp...

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GMC-I Messtechnik GmbH 63 Maintenance – Recalibration Replacing the Batteries Attention! ! Disconnect the instrument from the measuring circuit before opening the battery compartment lid in order to replace the batteries. Ð Set the instrument ...

[Page 64] Gossen MetraWatt METRAHIT ISO

64 GMC-I Messtechnik GmbH Maintenance – Recalibration Attention! ! Use specified fuses only! If fuses with other blowing characteristics, other current ratings or other breaking capacities are used, the operator is placed in danger, and protec...

[Page 65] Gossen MetraWatt METRAHIT ISO

GMC-I Messtechnik GmbH 65 Maintenance – Recalibration 9.6 Recalibration The respective measuring task and the stress to which your mea- suring instrument is subjected affect the ageing of the compo- nents and may result in deviations from the guara...

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66 GMC-I Messtechnik GmbH Accessories 10 Accessories 10.1 General The extensive accessories available for our measuring instruments are checked for compliance with currently valid safety regulations at regular intervals, and are expanded as require...

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GMC-I Messtechnik GmbH 67 Accessories 10.4 Interface Accessories (not included) USB X-TRA Bidirectional Interface Adapter This adapter makes it possible to connect cable multimeters, as well as STARLINE multimeters which are equipped with a serial I...

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68 GMC-I Messtechnik GmbH Index 11 Index Numerics 0.diSP ................................................................... 51 A Addr ...................................................................... 55 APoFF ......................................

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GMC-I Messtechnik GmbH 69 Index S Safety Precautions ................................................. 8 Software Enabling .................................................. 3 Standard Equipment .............................................. 2 Switch...

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Edited in Germany  Subject to change without notice  A pdf version is available on the internet GMC-I Messtechnik GmbH Südwestpark 15 90449 Nürnberg • Germany ...