Related Manuals for Gossen MetraWatt METRAHIT ISO
Summary of Contents for Gossen MetraWatt METRAHIT ISO
- Page 1 Operating Instructions METRAHITI 3-349-416-03 TRMS Multimeter with Insulation Measurement 9/4.12...
- Page 2 Standard Equipment Contact Persons Standard Equipment Function METRAHITI 1 Multimeter for isolation measurement 1 protective rubber cover V AC+DC TRMS (Ri = 1 M) V AC / Hz TRMS (Ri 9 M) 1 KS17-2 cable set Filter 1kHz 1 condensed operating instructions, English/German V AC+DC TRMS (Ri ...
- Page 3 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 (use, operation, software registration) intervals, and are amended as required for new applications. If required please contact: Currently up-to-date accessories which are suitable for your mea- GMC-I Messtechnik GmbH...
- Page 4 Standard Equipment Contact Persons Recalibration Service Repair and Replacement Parts Service Calibration Center* and Rental Instrument Service We calibrate and recalibrate all instruments supplied by GMC-I Messtechnik GmbH, as well as other manufacturers, at our ser- If required please contact: vice center, for example after one year within the framework of your test equipment monitoring program, as well as prior to use GMC-I Service GmbH...
- Page 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 Physics and Metrology) and the Deutscher Kalibrierdienst (German Calibration Service) in accordance with DIN EN ISO/ IEC 17025:2005 under registration number DKD–K–19701.
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Page 6: Table Of Contents
Table of Contents Contents Page Contents Page Safety Features and Precautions ........8 Measurements ..............26 Use for Intended Purpose ..............10 Voltage Measurement ..............26 Meanings of Danger Symbols ............10 5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC) ..27 Meanings of Acoustic Warning Signals ..........10 5.1.2 Alternating Voltage and Frequency Measurement V AC and Hz with Selectable Low-Pass Filter ............28... - Page 7 Table of Contents Contents Page Contents Page Device and Measuring Parameters ........48 Index .................68 Paths to the Various Parameters ............ 49 List of All Parameters ..............49 Querying Parameters – InFo Menu (as moving letters) ...... 50 Entering Parameters – SETUP Menu ..........51 Default Settings ................
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Page 8: Safety Features And Precautions
Safety Warnings Safety Features and Precautions Measuring Categories and their Significance per IEC 61010-1 You have selected an instrument which provides you with a high Definition level of safety. Measurements in electrical circuits which are not directly connected to the mains: e.g. - Page 9 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 •...
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Page 10: Use For Intended Purpose
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!) •... - Page 11 Safety Warnings GMC-I Messtechnik GmbH...
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Page 12: Operating Overview - Connections, Keys, Rotary Switch, Symbols
Operating Overview – Connections, Keys, Rotary Switch, Symbols Operating Overview – Connections, Keys, Rotary Switch, Symbols 1 Display (LCD) (see page 13 for significance of symbols) Chap. 7 2 MAN / AUTO shift key for manual/automatic measuring range selection Chap. 3.1 ... - Page 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 selection active 4 Digital display with decimal point and polarity display 5 max/min: Min/Max value storage 6 DATA: display memory, “freeze measured value”...
- Page 14 Operating Overview – Connections, Keys, Rotary Switch, Symbols Symbols used for Rotary Switch positions Additional Function clip-on (by menu SET CLIP 1:1/10/100/1000) Switch FUNC Display Measuring Function 0/2 V DC AC TRMS Pulsating voltage, TRMS DC + AC, 15 Hz ... 500 Hz 1M...
- Page 15 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 ...
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Page 16: Initial Start-Up
Initial Start-Up – Setup Initial Start-Up Display Illumination After the instrument has been switched on, background illumina- 3.1 Batteries tion can be activated by briefly pressing the ON / OFF | LIGHT key. Il- Be certain to refer to chapter 9.2 regarding correct battery lumination is switched back off by once again pressing the same installation! key, or automatically after approximately 1 minute. -
Page 17: Switching The Instrument Off
Initial Start-Up – Setup 3.4 Switching the Instrument Off Switching the Instrument Off Manually / OFF Ð Press the ON / OFF | LIGHT key until 0FF appears at the display. LIGHT 88.8.8.8 Shutdown is acknowledged with a brief acoustic signal. Automatic Shutdown Auto-Range The instrument is switched off automatically if the measured value... -
Page 18: Control Functions
Control Functions Control Functions Overview: Auto-Ranging and Manual Range Selection Function Display 4.1 Selecting Measuring Functions and Measuring Ranges Manual mode active: MAN / AUTO 4.1.1 Automatic Range Selection utilized measuring range is fixed The multimeter is equipped with auto-ranging for all measuring Range switching sequence for: functions, except for temperature measurement, and diode and 300 mV*... -
Page 19: Quick Measurements
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. -
Page 20: Display (Lcd)
Control Functions Ð 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. -
Page 21: Measured Value Storage: Data (Auto-Hold / Compare)
Control Functions 4.4 Measured Value Storage: DATA (auto-hold / compare) An individual measured value can be automatically “frozen” with V, A, Hz F, % of Measuring Range 3000 digits the DATA function (auto-hold). This is useful, for example, when 100% contacting the measuring points with the test probes requires your full attention. -
Page 22: Function Data During Insulation Measurement
In order to deactivate the DATA function, the FUNC | ENTER key must be pressed and held. * This function is especially available for variant METRAHIT ISO AERO, for other variants as from firmware version 1.18. GMC-I Messtechnik GmbH... -
Page 23: Saving Minimum And Maximum Values - Min/Max Function
Control Functions 4.4.2 Saving Minimum and Maximum Values – MIN/MAX Function Minimum and maximum measured values applied to the Response from Instrument measuring instrument’s input after the Min/Max function has been Display Press Function Min. and Max. activated can be “frozen” at the display. The most important use DATA / Min/Max Measured Values... -
Page 24: Measurement Data Recording
Control Functions 4.5 Measurement Data Recording The STORE Menu Function The multimeter is capable of recording measurement data using Ð 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. - Page 25 Control Functions During Recording Querying Memory Occupancy is displayed underneath the analog display during memory Memory occupancy can be queried during recording with the STORE 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%.
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Page 26: Measurements
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 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. -
Page 27: Direct And Pulsating Voltage Measurement, V Dc And V (Dc+Ac)
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 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. MEASURE FUNC FUNC ... -
Page 28: Alternating Voltage And Frequency Measurement V Ac And Hz With Selectable Low-Pass Filter
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.1.2 Alternating Voltage and Frequency Measurement V AC and Hz Frequency Measurement with Selectable Low-Pass Filter Ð Connect the measured quantity in the same way as for voltage Ð Set the CL iP parameter to 0FF in the current clip setup menu. measurement. - Page 29 Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO Specified measuring accuracy is not reached with signals of MEASURE FUNC FUNC greater than 500 Hz when the filter is active. CL IP SETUP ENTER ENTER Measuring Ranges: ...
- Page 30 Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO Keying Ratio Measurement (this function only available with customer-specific variant) Ð Set the rotary switch to V~. 1232.3 Ð Repeatedly press the FUNC | ENTER multifunction key until % appears at the display.
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Page 31: Transient Overvoltages
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 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 Revolutions per minute (also known as rotational frequency) are high-voltage probe, e.g. -
Page 32: Resistance Measurement
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.2 Resistance Measurement, Ð Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. 0000.0 Ð Make sure that the device under test is voltage-free. Interference voltages distort measurement results! k... -
Page 33: Temperature Measurement: Temp Rtd And Temp Tc
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.3 Temperature Measurement: Temp RTD and Temp TC Automatic Compensation Temperature measurement is performed with a Pt100 or Pt1000 Ð Acknowledge by pressing the ZERO | ESC key. resistance thermometer, or a type K thermocouple (accessory, “Short leads”... - Page 34 Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO Temp Temp Measuring Ranges 0025.6 RTD Pt100 –200.0 +850.0 C RTD Pt1000 –150.0 +850.0 C Pt1000 FUNC ZERO ENTER Short Leads 0000.0 Automatic Compensation ZERO ...
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Page 35: Measurement With Thermocouples, Temp Tc
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.3.2 Measurement with Thermocouples, Temp TC Ð Set the rotary switch to “Temp ”. Temp 0256.0 Note The last selected temperature measurement or the last Pt1000 Temp selected temperature sensor, i.e. type K or Pt100/Pt1000, remains in memory and is accordingly displayed. -
Page 36: Continuity Test
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 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. 000.8 Ð Make sure that the device under test is voltage-free. ... -
Page 37: Diode Testing With Constant Current Of 1 Ma
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 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-voltage 000.8 capacitors. Ð... -
Page 38: Capacitance Measurement
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.6 Capacitance Measurement Ð Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. 10.38 Ð Make sure that the device under test is voltage-free. Capacitors must always be discharged before measurement is ... -
Page 39: Insulation Resistance Measurement - M
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.7 Insulation Resistance Measurement – M @UISO 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... -
Page 40: Performing The Insulation Measurement
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO The selected test voltage appears at the display during testing. Caution: High-Voltage! Do not touch the conductive ends of the test probes when the 5.7.2 Performing the Insulation Measurement instrument has been activated for the measurement of insulation Ð... -
Page 41: Ending The Measurement And Discharging
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO Automatic Recognition of Interference Voltage 5.7.3 Ending the Measurement and Discharging during Insulation Resistance Measurement Discharge If the instrument detects interference voltage of greater than ISO 500 V 025.0 15 V AC or >... -
Page 42: Current Measurement
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.8 Current Measurement Notes Regarding Current Measurement Direct Current Measurement – CLIP Parameter = OFF • The multimeter may only be operated with installed batteries or Ð Set the CL iP parameter to 0FF in the current clip setup menu. rechargeable batteries. -
Page 43: Direct And Pulsating Current Measurement, Direct Connection, A Dc And A (Dc+Ac)
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.8.1 Direct and Pulsating Current Measurement, Direct Connection, A DC and A (DC+AC) MEASURE FUNC FUNC CL IP Ð First disconnect supply power from the measuring circuit or SETUP ENTER ENTER... -
Page 44: Alternating Current And Frequency Measurement, Direct Connection, A Ac And Hz
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.8.2 Alternating Current and Frequency Measurement, Direct Connection, A AC and Hz MEASURE FUNC FUNC CL IP SETUP ENTER ENTER Ð First disconnect supply power from the measuring circuit or the power consumer (1), and discharge any capacitors. -
Page 45: Direct And Pulsating Current Measurement With Clip-On Current Sensor A Dc And A (Dc+Ac)
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.8.3 Direct and Pulsating Current Measurement with Clip-On Current Sensor A DC and A (DC+AC) MEASURE FUNC FUNC CL IP 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 accordance with the selected transformation ratio. -
Page 46: Alternating Current Measurement With Clip-On Current Sensor, A Ac And Hz
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.8.4 Alternating Current Measurement with Clip-On Current Sensor, A AC and Hz MEASURE FUNC FUNC CL IP 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 1:1000 accordance with the selected transformation ratio. -
Page 47: Alternating Current Measurement With A Ac And Hz Clip-On Current Transformer
Measurements: V/Hz, , , Temp (°C/°F), , M , A/Hz @UISO 5.8.5 Alternating Current Measurement with A AC and Hz Clip-On Current Transformer MEASURE FUNC FUNC CL IP 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 1:1000... -
Page 48: Device And Measuring Parameters
Device and Measuring Parameters Device and Measuring Parameters After repeatedly pressing the MEASURE | SETUP key (without first 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. -
Page 49: Paths To The Various Parameters
Device and Measuring Parameters 6.1 Paths to the Various Parameters 6.2 List of All Parameters Parameter Page: Header d iSP 51: 0.diSP – show/hide leading zeros disp 51: A.diSP – Select display mode for the analog display MEASURE 020.00 01nfo Addr 55: Configuring Interface Parameters SETUP... -
Page 50: Querying Parameters - Info Menu (As Moving Letters)
Device and Measuring Parameters 6.3 Querying Parameters – InFo Menu (as moving letters) tiME – query time bAtt – query battery voltage MEASURE FUNC bAtt: ... t iME: 13:46:56 1nFo SETUP ENTER MEASURE FUNC (hh:mm:ss) 1nFo bAtt: 2.75 V. SETUP ENTER h = hours, m = minutes, s = seconds... -
Page 51: Entering Parameters - Setup Menu
Device and Measuring Parameters 6.4 Entering Parameters – SETUP Menu 0.diSP – show/hide leading zeros rAtE – set the sampling rate This parameter determines whether or not leading zeros will appear in the measured value display. The sampling rate specifies the time interval after which the respective measured value is transmitted to the interface, or to MEASURE FUNC... - Page 52 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.
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Page 53: Default Settings
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. -
Page 54: Interface Operation
Interface Operation Interface Operation Starting Continuous Transmission Operation with Menu Functions The multimeter is equipped with an infrared interface for the trans- MEASURE FUNC FUNC mission of measurement data to a PC. Measured data are opti- 1nFo SEnd StArt send ... -
Page 55: Configuring Interface Parameters
Interface Operation Addr – Address 7.2 Configuring Interface Parameters If several multimeters are connected to the PC via an interface irStb – status of the infrared receiver in the stand-by mode adapter, a separate address can be assigned to each instrument. 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. -
Page 56: Technical Data
Technical Data Technical Data Intrinsic Uncertainty Meas. Resolution under Reference Conditions Overload Input Impedance Func- (... % rdg. + ... d) at Upper Range Limit Capacity Measuring Range tion 30000 3000 3000 3000 (input) 1) 11) 1) 11) Value Time 30000 3000 10 V... - Page 57 Technical Data Meas. Resolution Overload Func- at Upper Range Limit Intrinsic Uncertainty Capacity Measuring Range tion under Reference Conditions Value Time 3000 (input) (... % rdg. + ... d) Discharge resist. 0 max 30.00 10 pF 10 M 1 + 6 with ZERO function active 1000 V 300.0...
- Page 58 Technical Data Insulation Resistance Measurement Influencing Quantities and Influence Error Digital Display Influencing Sphere of Measured Quantity / Influence Error Test voltage Intrinsic Uncertainty Quantity Influence Measuring Range (...% rdg. + ... d) / 10 K Measuring Range Resolution under Reference 0.2 + 5 Conditions 0.4 + 5...
- Page 59 Technical Data Response Time (after manual range selection) Influencing Sphere of Measured Quantity / Measured Quantity / Response Time Measured Quantity Influence Error Quantity Influence Measuring Range Measuring Range Digital Display Jump Function 1% rdg. 1 ... 3 From 0 to 80% 1.5 s Crest Factor CF of upper range limit value...
- Page 60 Technical Data Display Power Supply LCD panel (65 mm x 36 mm) with analog and digital display in- Battery 2 ea. 1.5 V mignon cell (2 ea. size AA), alkaline manganese per IEC LR6 cluding unit of measure, type of current and various special func- tions Service life With alkaline manganese batteries: approx.
- Page 61 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...
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Page 62: Maintenance And Recalibration
Maintenance – Recalibration Maintenance and Recalibration Note Note Disconnect the instrument from the measuring circuit before Battery Replacement opening the battery compartment lid or fuse cover when Stored measurement data are lost when the batteries are replacing batteries or fuses! replaced. -
Page 63: Fuses
Maintenance – Recalibration 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. -
Page 64: Housing Maintenance
Maintenance – Recalibration 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. -
Page 65: Recalibration
Maintenance – Recalibration 9.6 Recalibration 9.7 Manufacturer’s Guarantee The respective measuring task and the stress to which your mea- The multimeter is guaranteed for a period of 3 years after ship- suring instrument is subjected affect the ageing of the compo- ment. -
Page 66: Accessories
Accessories 10 Accessories 10.1 General Application KS17-2 The extensive accessories available for our measuring instruments are checked for compliance with currently valid safety Attention! regulations at regular intervals, and are expanded as required for In conformity with standard DIN EN 61010-031, mea- new applications. -
Page 67: Interface Accessories (Not Included)
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 IR interface, to the USB port at a PC. The adapter allows for data transmission between the multimeter and the PC. - Page 68 Index Index Numerics Diode Test Manual ............. 37 ............18 0.diSP ..............51 Discharge Memory .............. 41 Display Illumination Clear ..........16 .............. 25 Ending Recording ......... 25 Addr ..............55 Querying Occupancy ........25 APoFF ..............52 Error ..............41 Start Recording ..........
- Page 69 Index Safety Precautions ..........8 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 Temperature Measurement with Resistance Thermometers ....33 with Thermocouples ........35 tiME ..............
- Page 70 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...
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