Gossen MetraWatt METRAHIT X-TRA Operating Instructions Manual
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Gossen MetraWatt METRAHIT X-TRA Operating Instructions Manual

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Operating Instructions
⏐T
⏐P
⏐B
METRAHIT⏐X-
TRA
ECH
RO
ASE
3-349-352-03
TRMS Digital Multimeter
3/2.07

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Summary of Contents for Gossen MetraWatt METRAHIT X-TRA

  • Page 1 Operating Instructions ⏐T ⏐P ⏐B METRAHIT⏐X- 3-349-352-03 TRMS Digital Multimeter 3/2.07...
  • Page 2 Standard Equipment Contact Persons Standard Equipment Function METRAHIT⏐ METRAHIT⏐ METRAHIT⏐ METRAHIT⏐ 1 multimeter • • Transformation factor — — 1 KS17S measurement cable set 2 batteries A AC / Hz TRMS mV/A mV/A — — mA/A Ri = 1 MΩ 1 abbreviated operating instructions A AC+DC TRMS...
  • 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 expanded as required for new applications. If required please contact: Currently up-to-date accessories which are suitable for your measuring instrument are listed at the following web address...
  • Page 4 Standard Equipment Contact Persons Recalibration Service Competent Partner We calibrate and recalibrate all instruments supplied by GMC-I GMC-I Gossen-Metrawatt GmbH is certified in accordance with Gossen-Metrawatt GmbH, as well as other manufacturers, at our DIN EN ISO 9001:2000. service center, for example after one year within the framework of Our calibration laboratory is accredited per DIN EN ISO/IEC your test equipment monitoring program, as well as prior to use 17025 by the Physikalisch-Technischen Bundesanstalt (German...
  • Page 5 Contact Persons GMC-I Gossen-Metrawatt GmbH...

  • 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 Measurement with 1 M Load Resistance...
  • Page 7 Table of Contents Contents Page Contents Page Device and Measuring Parameters ........46 Index .................68 Paths to the Various Parameters ............ 47 List of All Parameters ..............47 Querying Parameters – InFo Menu (as moving letters) ...... 48 Entering Parameters – SETUP Menu ..........48 Default Settings ................

  • Page 8: Safety Features And Precautions

    Safety Precautions 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: This instrument fulfills the requirements of applicable European for example electrical systems in motor vehicles and aircraft, batteries etc.
  • Page 9 Safety Precautions • Be prepared for the occurrence of unexpected voltages at Repair and Parts Replacement devices under test (e.g. defective devices). For example, When the instrument is opened, voltage conducting parts may be capacitors may be dangerously charged. exposed. The instrument must be disconnected from the measur- •...

  • Page 10: Use For Intended Purpose

    Safety Precautions 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 Precautions GMC-I Gossen-Metrawatt GmbH...

  • Page 12: Operating Overview - Connections, Keys, Rotary Switch, Symbols

    Operating Overview – Connections, Keys, Rotary Switch, Symbols Operating Overview – Connections, Keys, Rotary Switch, Symbols → chapter 7 1 Display (LCD) (see page 13 for significance of symbols) 2 MAN / AUTO shift key for manual/automatic measuring range selection chapter 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 is active 4 Digital display with decimal point and polarity display 5 max/min: Min/Max value storage 6 DATA: display memory, “freeze”...
  • Page 14 Operating Overview – Connections, Keys, Rotary Switch, Symbols Symbols of Rotary Switch Positions Switch FUNC Display Measuring Function METRAHIT⏐ METRAHIT⏐ METRAHIT⏐ METRAHIT⏐ • • • • 0/4 V~ AC TRMS Alternating voltage, TRMS AC, full bandwidth • • • • Hz (V) Hz ~ AC Voltage frequency, full bandwidth...
  • Page 15 Operating Overview – Connections, Keys, Rotary Switch, Symbols User Interface Symbols in the Following Chapters Position of the power pack connector socket, Scroll through main menu see also chapter 3.1 (METRAHIT⏐X- only) Scroll through sub-menu 5 V / 600 mA Select decimal point Increase/decrease value Fuse for current measuring ranges, see chapter 9.3...

  • 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 Inserting Batteries or Rechargeable 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.

  • Page 17: Switching The Instrument Off

    Initial Start-Up – Setup 3.4 Switching the Instrument Off Switching the Instrument Off Manually / OFF ➭ Press the ON / OFF | LIGHT key until 0FF appears at the display. LIGHT 8.8.8.8.8 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 4.1.2 Manual Measuring Range Selection Auto-ranging can be deactivated and measuring ranges can be 4.1 Selecting Measuring Functions and Measuring Ranges selected manually in accordance with the following table by The rotary switch is linked to the automatic socket blocking pressing the MAN / AUTO button.

  • 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 ➭ 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 ΔREL” or the “ΔREL” 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, MHz, % of measuring range 10,000 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: Saving Minimum And Maximum Values - Min/Max Function

    Control Functions Example The voltage measuring range is set manually to 10 V. Response from Instrument The first measured value is 5 V, which is stored to memory Press Display Min/Max Min. and Max. DATA / because it is greater than 10% of the measuring range (= 1 V), Acoustic Function Measured Values...

  • Page 23: Measurement Data Recording

    Control Functions 4.5 Measurement Data Recording (METRAHIT⏐X- only) The STORE Menu Function METRAHIT⏐X- is capable of recording measurement data ➭ First set the sampling rate for memory mode operation (see rAtE using an adjustable sampling rate for long periods of time in the parameter in chapter 6.4) , and then start memory mode oper- form of measurement series.
  • Page 24 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 controlled: help of the “1nFo ” menu (see also chapter 6.3). Memory occupancy range: 000.1% to 099.9%.
  • Page 25 Control Functions GMC-I Gossen-Metrawatt GmbH...

  • Page 26: Measurements

    V/Hz, Ω, Temperature, and A/Hz Measurements Measurements • Be aware of the fact that dangerous voltage spikes are not displayed during measurement with the low-pass filter. 5.1 Voltage Measurement We recommend measuring voltage without the low-pass filter first, in Notes Regarding Voltage Measurement order to be able to detect any dangerous voltages.

  • Page 27: Direct And Pulsating Voltage Measurement, V Dc And V (Dc+Ac)

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC) Note : Set the CL iP parameter 020.00 Only to observe for METRAHIT⏐T to 0FF in the current clip setup menu. Otherwise all meas- ured values are displayed in amperes, and are corrected by the amount resulting from the selected transformation ratio FUNC...

  • Page 28: Tra

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.1.2 Alternating Voltage Measurement with 1 MΩ Load Resistance Frequency Measurement and Frequency Measurement with Selectable Low-Pass Filter ➭ Apply the measured quantity is the same way as for voltage (METRAHIT⏐X- METRAHIT⏐T METRAHIT⏐P only) measurement.
  • Page 29 V/Hz, Ω, Temperature, and A/Hz Measurements Measuring Ranges: Ω 1MΩ 0225.6 Temp V~: 100 mV…1000 V Max. 1000 V (< 10 kHz) 1 kHz TRMS Max. 100 V (> 10 kHz) Hz: 1 Hz … 100 kHz FUNC ENTER = 3 x 10 V x Hz V~ with Filter for U >...

  • Page 30: Alternating Voltage And Frequency Measurement V Ac And Hz With Selectable Low-Pass Filter

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.1.3 Alternating Voltage and Frequency Measurement V AC and Hz Frequency Measurement with Selectable Low-Pass Filter ➭ Apply the measured quantity is the same way as for voltage (METRAHIT⏐X- METRAHIT⏐T METRAHIT⏐P only) measurement. ➭ Manually select the measuring range for the voltage amplitude. Note METRAHIT⏐T : see note in chapter 5.1.1.
  • Page 31 V/Hz, Ω, Temperature, and A/Hz Measurements Measuring Ranges: Ω 0230.6 Temp V~: 100 mV…1000 V Max. 1000 V (< 10 kHz) TRMS Max. 100 V (> 10 kHz) FUNC Hz: 1 Hz … 100 kHz ENTER = 3 x 10 V x Hz for U >...

  • Page 32: Transient Overvoltages

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.1.4 Transient Overvoltages 5.1.5 Voltage Measurements at Above 1000 V The multimeters are protected against transient overvoltages of Voltages of greater than 1000 V can be measured with a up to 8 kV with wave-front durations of 1.2 ms and halftimes of high-voltage probe, e.g.

  • Page 33: Frequency And Keying Ratio Measurements

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.1.6 Frequency and Keying Ratio Measurements (METRAHIT⏐X- only) ➭ Set the rotary switch to MHz or %. 1.0323 ➭ Connect the measurement cables as shown. Make sure that a current measuring range (“A”) has not been activated when the multimeter is connected for frequency or FUNC keying ratio measurement!

  • Page 34: Resistance Measurement, Ω

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.2 Resistance Measurement, Ω ➭ Disconnect supply power from the electrical circuit of the Ω device to be measured, and discharge all high-voltage capacitors. 000.00 Ω ➭ Make sure that the device under test is voltage-free. Interference voltages distort measurement results! kΩ...

  • Page 35: Continuity Test

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.3 Continuity Test ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. 000.8 ➭ Make sure that the device under test is voltage-free. Interference voltages distort measurement results! Ω...

  • Page 36: Diode Testing With A Constant Current Of 1 Ma

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.4 Diode Testing with a Constant Current of 1 mA ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage 000.8 capacitors. ➭ Make sure that the device under test is voltage-free. Ω...

  • Page 37: Temperature Measurement

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.5 Temperature Measurement Note Temperature measurement is performed with a type K The internal reference temperature (temperature of the inter- thermocouple (accessory, not included), which is connected to nal reference junction) is measured by a temperature sensor the voltage input.

  • Page 38: Tra Only)

    V/Hz, Ω, Temperature, and A/Hz Measurements ➭ Upon pressing the FUNC | ENTER key, the selected value is activated 5.5.2 Measurement with Resistance Thermometers (METRAHIT⏐X- only) ➭ Set the rotary switch to “Temp and the display is returned to the measuring function. Cable resistance ”...

  • Page 39: Only)

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.6 Capacitance Measurement (METRAHIT⏐X- METRAHIT⏐T only) ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage 10.38 capacitors. μ ➭ Make sure that the device under test is voltage-free. Capacitors must always be discharged before measurement is performed.

  • Page 40: Measurement With Resistance Thermometers

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.7 Current Measurement Scope of Functions, Current Measurement, Direct Connection Function METRAHIT⏐ METRAHIT⏐ METRAHIT⏐ METRAHIT⏐ Notes Regarding Current Measurement • The multimeter may only be operated with installed batteries or 100 μA A AC / Hz 10/100 mA rechargeable batteries.

  • Page 41: Direct And Pulsating Current Measurement, Direct Connection, A Dc And A (Dc+Ac)

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.7.1 Direct and Pulsating Current Measurement, Direct Connection, A DC and A (DC+AC) (METRAHIT⏐X- METRAHIT⏐T METRAHIT⏐P only) ➭ First disconnect supply power from the measuring circuit or 003.50 the power consumer (1), and discharge any capacitors. Current measurement ➭...

  • Page 42: Alternating Current And Frequency Measurement, Direct Connection, A Ac And Hz

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.7.2 Alternating Current and Frequency Measurement, Direct Connection, A AC and Hz (METRAHIT⏐X- METRAHIT⏐T METRAHIT⏐P only) ➭ First disconnect supply power from the measuring circuit or 003.50 the power consumer (1), and discharge any capacitors. TRMS Current measurement ➭...

  • Page 43: Direct And Pulsating Current Measurement With Clip-On Current Sensor, A Dc And A (Dc+Ac)

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.7.3 Direct and Pulsating Current Measurement with Clip-On Current Sen- sor, A DC and A (DC+AC) (METRAHIT⏐T METRAHIT⏐B only) Transformer Output, Voltage/Current METRAHIT⏐B When a clip-on current sensor is connected to the multimeter 1:1000 003.50 (METRAHIT⏐T : V input,...

  • Page 44: Alternating Current Measurement With Clip-On Current Sensor, A Ac And Hz

    V/Hz, Ω, Temperature, and A/Hz Measurements 5.7.4 Alternating Current Measurement with Clip-On Current Sensor, A AC and Hz (METRAHIT⏐T METRAHIT⏐B only) Transformer Output, Voltage/Current METRAHIT⏐B When a clip-on current sensor is connected to the multimeter (METRAHIT⏐T : V input, METRAHIT⏐B V input), all current 1:1000 003.50...
  • Page 45 V/Hz, Ω, Temperature, and A/Hz Measurements 5.7.5 Direct, Pulsating and Current Measurement with Clip-On Current Transformer A DC, A (DC+AC), A AC and Hz (METRAHIT⏐T only) Transformer Output, Current/Current When a clip-on current transformer is connected to the multime- (METRAHIT⏐T mA/A input), all current displays appear with the correct value in accordance with the selected transfor- 1:1000...

  • Page 46: 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 “SET ” mode (menu mode) makes it possible to menu or parameter from the measuring mode.

  • Page 47: Paths To The Various Parameters

    Device and Measuring Parameters 6.1 Paths to the Various Parameters 6.2 List of All Parameters Parameter X Page: Header • • • • diSP 48: 0.diSP – show/hide leading zeros • Addr MEASURE — 53: Configuring Interface Parameters — — 020.00 1nfo •...

  • Page 48: Querying Parameters - Info Menu (As Moving Letters)

    Device and Measuring Parameters 6.3 Querying Parameters – InFo Menu (as moving letters) 6.4 Entering Parameters – SETUP Menu bAtt – query battery voltage rAtE – set the sampling rate (METRAHIT⏐X- only) MEASURE FUNC 1nFo bAtt: 2.75 V. The sampling rate specifies the time interval after which the SETUP ENTER respective measured value is transmitted to the interface, or to...
  • Page 49 Device and Measuring Parameters A.diSP – analog display: select display mode bEEP – set the limit value for continuity testing One of two different display modes can be selected for the MEASURE FUNC analog display: 1nFo rAtE bEEP SETUP ENTER •...

  • Page 50: Default Settings

    Device and Measuring Parameters dAtE – enter date CLIP – set transformation factor (METRAHIT⏐B only) Entering the current date makes it possible to acquire measured values in real-time. See chapter 5.7.3 ff. MEASURE FUNC 1nFo rAtE dAtE SETUP ENTER FUNC FUNC 6.5 Default Settings 31.12 (DD: day .
  • Page 51 Device and Measuring Parameters GMC-I Gossen-Metrawatt GmbH...

  • Page 52: Interface Operation (Metrahit⏐X- Tra Only)

    Interface Operation Interface Operation (METRAHIT⏐X- only) Starting Continuous Transmission Operation with Menu Functions METRAHIT⏐X- 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...

  • Page 53: 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 54: Technical Data

    Technical Data Technical Data Intrinsic Errorunder Reference Conditions Resolution at Upper Input Impedance Overload Capacity ±(... % rdg. + ... d) ±(... % rdg. + ... d) ±(... % rdg. + ... d) Meas. Range Limit Measuring Range Function 11,999 1199 Value Time...
  • Page 55 Technical Data Resolution at Upper Overload Capacity Input impedance Meas. Range Limit Measuring Range Intrinsic Error under Reference Conditions Function 11,999 1199 Value Time ±(... % rdg. + ... d) Discharge resistance 0 max 10 pF 10 MΩ 1 + 6 with ZERO function active 100 pF 1 MΩ...
  • Page 56 Technical Data Influencing Quantities and Influence Error Intrinsic Error ±( ... % rdg. + ... d) Influencing Sphere of Measured Quantity / Influence Error Meas. Quantity/ Influencing Quantity Influence Measuring Range (...% rdg. + ... d) / 10 K Meauring Sphere of Influence METRAHIT⏐X- Quantity...
  • Page 57 Technical Data Reference Conditions Influencing Sphere of Measured Quantity / Influence Error +23° C ±2 K Quantity Influence Measuring Range Ambient temperature ± 1 % rdg. 1 ... 3 Relative humidity 40 ... 75% Crest factor CF ± 3 % rdg. >...
  • Page 58 Technical Data Data Interface (METRAHIT⏐X- only) Power Supply Type Optical via infrared light through the Battery 2 ea. 1.5 V mignon cell (2 ea. size AA), housing alkaline manganese per IEC LR6 (2 ea. 1.2 V NiMH rechargeable battery Data transmission also possible) (data transfer) Serial, bidirectional (not IrDa compatible)
  • Page 59 Technical Data Display Acoustic Signals LCD panel (65 mm x 36 mm) with analog and digital display For voltage Intermittent signal at above 1000 V including unit of measure, type of current and various special For current Intermittent signal at above 10 A functions Continuous signal at above 16 A Background illumination...
  • Page 60 Technical Data Electromagnetic Compatibility (EMC) Mechanical Design Interference Housing Impact resistant plastic (ABS) emission EN 61326: May 2004, class B Dimensions 200 x 87 x 45 mm Interference (without protective rubber cover) immunity EN 61326: May 2004, appendix E Weight Approx.
  • Page 61 Technical Data GMC-I Gossen-Metrawatt GmbH...

  • Page 62: Maintenance And Calibration

    Maintenance – Calibration Maintenance and Calibration ware before replacing the batteries. The selected operating parameters remain in memory, Attention! although date and time must be reentered. Disconnect the instrument from the measuring circuit before opening the battery compartment lid or fuse cover in order to replace batteries or fuses! Battery The current battery charge level can be queried in the “1nfo”...

  • Page 63: Fuse (Metrahit⏐X- Tra And Metrahit⏐Pro Only)

    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.

  • Page 64: Housing Maintenance

    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 9.5 Return and Environmentally Sound Disposal is placed in danger, and protective diodes, resistors and...

  • Page 65: Manufacturer's Guarantee

    Maintenance – Calibration 9.7 Manufacturer’s Guarantee All METRAHIT⏐ measuring and calibration instruments are guaranteed for a period of 3 years after date of shipment. The manufacturer’s guarantee covers materials and workmanship. Damages resulting from use for any other than the intended purpose, as well as any and all consequential damages, are excluded.

  • Page 66: Accessories

    Accessories 10 Accessories 10.1 General 10.3 NA⏐X- Power Pack (not included) The extensive accessories available for our measuring Use only the power pack from GMC-I Gossen-Metrawatt GmbH instruments are checked for compliance with currently valid safety in combination with your instrument. This assures operator safety regulations at regular intervals, and are expanded as required for by means of an extremely well insulated cable, and safe electrical new applications.

  • Page 67: Interface Accessories For Metrahit⏐X- Tra (Not Included)

    Accessories 10.4 Interface Accessories for METRAHIT⏐X- (not included) USB⏐X- Bidirectional Interface Adapter This adapter makes it possible to connect METRAHIT⏐X- multi- meters 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 Significance ............ 8 0.diSP dAtE ..............48 ..............48, 50 Measuring Range Selection Default Settings ............ 50 Automatic ............18 Diode Test ............. 36 Manual ............18 A.diSP ..............49 Display Illumination ..........16 Memory Addr ..............53 Ending Recording .........
  • Page 69 Index Safety Precautions ..........8 Software Enabling ..........3 Standard Equipment ..........2 Switching the Instrument On Manual ............16 Via PC ............16 Symbols Digital Display ..........13 Instrument .............15 Rotary Switch Positions ........14 Temperature Measurement With Resistance Thermometers ....38 With Thermocouples ........37 tiME ..............
  • Page 70 • • Edited in Germany Subject to change without notice A pdf version is available on the internet Phone +49 911-8602-111 GMC-I Gossen-Metrawatt GmbH +49 911-8602-777 Thomas-Mann-Str. 16-20 E-Mail info@gossenmetrawatt.com 90471 Nürnberg • Germany www.gossenmetrawatt.com...

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