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Gossen MetraWatt METRA HIT MULTICAL Operating Instructions Manual
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Gossen MetraWatt METRA HIT MULTICAL Operating Instructions Manual

Gossen MetraWatt METRA HIT MULTICAL Operating Instructions Manual

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Operating Instructions
METRAHITM
ULTICAL
3-349-566-01
Multimeter, Calibrator
2/12.09

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Summary of Contents for Gossen MetraWatt METRA HIT MULTICAL

  • Page 1 Operating Instructions METRAHITM ULTICAL 3-349-566-01 Multimeter, Calibrator 2/12.09...
  • Page 2 Standard Equipment Contact Persons Scope of Delivery Functions Overview 1 Multimeter, calibrator Calibrator / Functions Multimeter Simulator 1 KS29 measurement cable set  V AC / Hz TRMS — 2 Batteries   1 Condensed operating instructions V DC 1 CD ROM (content: operating instructions, data sheet and Pulse generator / ...
  • Page 3 Contact Persons Accessories (sensors, plug inserts, adapters, consumable materials) Product Support The accessories available for your instrument are checked for Technical queries (use, operation, software registration) compliance with currently valid safety regulations at regular inter- If required please contact: vals, and are amended as required for new applications. GMC-I Messtechnik GmbH Currently up-to-date accessories which are suitable for your mea- Product Support Hotline...
  • Page 4 Standard Equipment Contact Persons Recalibration Service Competent Partner Our service center calibrates and recalibrates (e.g. after one year as GMC-I Messtechnik GmbH is certified in accordance with part of your test equipment monitoring system, prior to use etc.) DIN EN ISO 9001:2000. all instruments from GMC-I Messtechnik GmbH and other Our DKD calibration laboratory is accredited by the Deutscher manufacturers, and offers free test equipment management.
  • Page 5 Contact Persons GMC-I Messtechnik GmbH...
  • Page 6 Table of Contents Contents Page Contents Page Safety Features and Precautions ........8 5.2.2 Alternating Voltage and Frequency Measurement, V AC and Hz ..29 5.2.3 Transient Overvoltages ..............30 Use for Intended Purpose ..............10 Resistance Measurement  Meanings of Danger Symbols ............11 Continuity Test ................32 Meanings of Acoustic Warning Signals ..........11 Diode Testing with Constant Current of 1 mA ........33...
  • Page 7 Table of Contents Contents Page Contents Page 6.6.2 Current Source ................52 Accessories ...............80 Interval Functions, Ramp Functions and Procedures ......53 11.1 General ..................80 6.7.1 Interval Sequences – INT Function ..........53 11.2 Technical Data for Measurement Cables 6.7.2 Read-Out a Periodic Ramp –...
  • Page 8 Safety Precautions Safety Features and Precautions Measuring Categories and their Significance per IEC 61010-1 You have selected an instrument which provides you with high Definition levels of safety. Measurements in electrical circuits which are not directly connected to the mains, This instrument fulfills all requirements of applicable European and e.g.
  • Page 9 Safety Precautions • Make certain that the measurement cables are in flawless Special Safety Precautions for the Calibrator condition, e.g. no damage to insulation, no interruptions in • If necessary, use the multimeter section of the instrument to cables or plugs etc. make sure that no dangerous contact voltages are present in the signal circuits to which the instrument is to be connected.
  • Page 10 Safety Precautions Repair and Parts Replacement 1.1 Use for Intended Purpose • The multimeter is a portable device which can be held in the When the instrument is opened, voltage conducting parts may be hand during the performance of measurements. exposed.
  • Page 11 Safety Precautions 1.2 Meanings of Danger Symbols Warning concerning a source of danger (attention: observe documentation!) 1.3 Meanings of Acoustic Warning Signals (2x) Warning for dangerous voltage at the measurement input: U > 33 V AC or U > 70 V DC (double acoustic signal) Warning for excessive current in the 300 mA measuring range: >...
  • Page 12 Operating Overview – Connections, Keys, Rotary Switch, Symbols Operating Overview – Connections, Keys, Rotary Switch, Symbols 1 Display (LCD) (see page 13 for significance of symbols) 2 MAN / AUTO Shift key for manual/automatic measuring range selection section 8  Increase parameter values section 3.1 ...
  • Page 13 Operating Overview – Connections, Keys, Rotary Switch, Symbols Symbols Used in the Digital Display 1 Battery level indicator 2 NUM: Numeric entry of the output signal 3 INT: Interval sequence active 4 RAMP: Ramp function active 5 SINK: Current sink active 6 SOURCE: Current source active 7 ON: Calibrator output active...
  • Page 14 Operating Overview – Connections, Keys, Rotary Switch, Symbols Symbols Used for Rotary Switch Positions SEL Display ZERO Measuring Function – White Printing Rotary Switch  — mV, V Direct voltage  0/2 mV, V ~ AC TRMS Alternating voltage, AC TRMS, full bandwidth Hz (V) Hz, kHz ~ AC —...
  • Page 15 Operating Overview – Connections, Keys, Rotary Switch, Symbols ▲ IR ▼ User Interface Symbols in the Following Sections Position of the infrared interface, window on the top of the instrument   Scroll through main menu   Scroll through submenu See also section 3.1 regarding location of the ...
  • Page 16 Initial Start-Up – Setup Initial Start-Up Display Illumination After the instrument has been switched on, background 3.1 Inserting Batteries or Rechargeable Batteries illumination can be activated by briefly pressing the Be certain to refer to section 10.2 regarding correct battery ON / OFF | LIGHT key.
  • Page 17 Initial Start-Up – Setup 3.4 Switching the Instrument Off Automatic Shutdown – Calibrator The device is switched off automatically after the selected time, Switching the Instrument Off Manually “APoFF” (see page 63), has elapsed. The display is shut down ➭ Press the ON / OFF | LIGHT key until 0FF appears at the display. after one additional minute, assuming that neither the rotary switch nor any of the keys are activated.
  • Page 18 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 desired measuring function (white symbols) is selected with pressing the MAN / AUTO button.
  • Page 19 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 Control Functions 4.3 Display (LCD) 4.3.1 Exceeding the Measuring Range Measured Value, Unit of Measure, Type of Current, Polarity The measured value appears at the digital display with decimal and plus or minus sign. The selected unit of measure and current type are displayed as well.
  • Page 21 Control Functions 4.4 Measured Value Storage: DATA (auto-hold / compare) An individual measured value can be automatically “frozen” with V, mA, Hz of Measuring Range the DATA function (auto-hold). This is useful, for example, when 31,000 Digits contacting the measuring points with the test probes requires 100% 30,000 Digits your full attention.
  • Page 22 Control Functions Example The voltage measuring range is set manually to 10 V. Response from Instrument The first measured value is 5 V and is stored to memory because Data/ Display Acous Min-Max Min. and Max. Min/Max it is greater than 10% of the measuring range. As soon as the Function Measured Values Digital...
  • Page 23 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 an adjustable sampling rate for long periods of time in the form of (see section 7.4 the rAtE parameter), and then start memory measurement series.
  • Page 24 Control Functions During Recording Querying Memory Occupancy Memory occupancy can be queried during recording with the help of the “1nFo” menu (see also section 7.3). In order to be able to observe measured values during recording, Memory occupancy range: 000.1% to 099.9%. switch to the measuring function by pressing MEAS / CAL | SETUP.
  • Page 25 Control Functions GMC-I Messtechnik GmbH...
  • Page 26 V/Hz, , Temperature, and A/Hz Measurements Measurements 5.1 Switching from the Calibration Function to the Measuring Function CALIBRATOR MULTIMETER If any calibration function is active, press and hold the MEASURE / CAL | SETUP key in order to activate the measuring func- tion.
  • Page 27 V/Hz, , Temperature, and A/Hz Measurements 5.2 Voltage Measurement Scope of Functions, Voltage Measurement Function Notes Regarding Voltage Measurement  V AC / Hz TRMS • The multimeter may only be operated with installed batteries or  V DC rechargeable batteries. Dangerous voltages are otherwise not indicated, and the instrument may be damaged.
  • Page 28 V/Hz, , Temperature, and A/Hz Measurements 5.2.1 Direct Voltage Measurement, V DC  Note Set the CL iP parameter to 0FF in the current clamp setup 020.00 menu. Otherwise all measured values are displayed in mA, corrected by the amount resulting from the selected transfor- mation ratio for an interconnected current clamp sensor.
  • Page 29 V/Hz, , Temperature, and A/Hz Measurements 5.2.2 Alternating Voltage and Frequency Measurement, V AC and Hz ➭ In accordance with the voltage or frequency to be measured, turn the rotary switch to V~. ➭ Connect the measurement cables as shown. 0230.6 The “”...
  • Page 30 V/Hz, , Temperature, and A/Hz Measurements Voltage Comparator for Displaying Dangerous Voltage The input signal or measuring signal is checked by a voltage comparator for dangerous peaks. Where U > 33 V AC or U > 70 V DC, two acoustic signals are generated.
  • Page 31 V/Hz, , Temperature, and A/Hz Measurements 5.3 Resistance Measurement  ➭ Disconnect supply power from the electrical circuit of the  device to be measured, and discharge all high-voltage capacitors. 000.00  ➭ Make sure that the device under test is voltage-free. Interference voltages distort measurement results! k ...
  • Page 32 V/Hz, , Temperature, and A/Hz Measurements 5.4 Continuity Test ➭ Disconnect supply power from the electrical circuit of the  device to be measured, and discharge all high-voltage capacitors. 0000.8 ➭ Make sure that the device under test is voltage-free. Interference voltages distort measurement results! ...
  • Page 33 V/Hz, , Temperature, and A/Hz Measurements 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. 1.8569 ➭ Make sure that the device under test is voltage-free. Interference voltages distort measurement results! Refer to section 5.2.1 regarding testing for the absence of volt- age with the help of the direct voltage measurement.
  • Page 34 V/Hz, , Temperature, and A/Hz Measurements 5.6 Temperature Measurement  Note Temperature measurement is performed with a thermocouple The internal reference temperature (temperature of the (accessory, not included), which is connected to the voltage input. internal reference junction) is measured by a temperature Alternatively, a resistance thermometer can be used.
  • Page 35 V/Hz, , Temperature, and A/Hz Measurements 5.6.2 Measurement with Resistance Thermometers measurements, and appears at the top left of the ➭ Set the rotary switch to “Temp measurement display. Cable resistance remains in memory ”. even after the instrument has been switched off. The last selected resistance thermometer type remains in memory and is accordingly displayed.
  • Page 36 V/Hz, , Temperature, and A/Hz Measurements MULTIMETER ZERO/SEL Temp Pt100 Pt1000 MAN / AUTO Ni100 ENTER DATA/MIN/MAX Ni1000 RL 0.4 100.5 Pt1000 C ZERO/SEL ENTER Long short leads meas rleads 001.00 R < 50  ZERO/SEL R < 50 leads 00.4 ENTER ...
  • Page 37 V/Hz, , Temperature, and A/Hz Measurements 5.7 Capacitance Measurement ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage 10.38 capacitors. ➭ Make sure that the device under test is voltage-free.  Capacitors must always be discharged before measurement is performed.
  • Page 38 V/Hz, , Temperature, and A/Hz Measurements 5.8 Current Measurement Scope of Functions, Current Measurement, Direct Connection Function Notes Regarding Current Measurement 300 A mA AC / Hz • The multimeter may only be operated with installed batteries or 3/30/300 mA rechargeable batteries.
  • Page 39 V/Hz, , Temperature, and A/Hz Measurements 5.8.1 Direct Current Measurement, A DC ➭ First disconnect supply power from the measuring circuit or the power consumer (1), and discharge any capacitors. 003.50 ➭ Set the rotary switch to mA . ➭ Safely connect the measuring instrument (without contact Current measurement only resistance) in series to the power consumer (2) as shown.
  • Page 40 V/Hz, , Temperature, and A/Hz Measurements 5.8.2 Alternating Current and Frequency Measurement, Direct Connection, mA AC and Hz ➭ First disconnect supply power from the measuring circuit or 003.50 the power consumer (1), and discharge any capacitors. ➭ In accordance with the current or frequency to be measured, TRMS turn the rotary switch to A~ or Hz.
  • Page 41 V/Hz, , Temperature, and A/Hz Measurements 5.8.3 Direct Current Measurement with Current Clamp Sensor, mA DC Voltage/Current Transformer Output When a current clamp sensor is connected to the multimeter 003.50 V input / mA input), all current displays appear with the correct value in accordance with the selected transformation ratio.
  • Page 42 V/Hz, , Temperature, and A/Hz Measurements 5.8.4 AC Measurement with Current Clamp Sensor, A AC and Hz Voltage/Current Transformer Output When a current clamp sensor is connected to the multimeter V input / mA input) all current displays appear with the cor- 003.50 rect value in accordance with the selected transformation ratio.
  • Page 43 V/Hz, , Temperature, and A/Hz Measurements 5.8.5 Direct and Alternating Current Measurement with Current Clamp Transformer, mA DC, mA AC and Hz Current/Current Transformer Output When a current clamp transformer is connected to the multimeter mA input), all current displays appear with the correct value in accordance with the selected transformation ratio.
  • Page 44 –  – Temp – mA Calibration Functions: V – Hz – mA Calibration Functions MULTIMETER CALIBRATOR 6.1 Switching from the Measuring Function to the Calibration Function If any measuring function is active, press and hold the MEASURE / CAL | SETUP key in order to switch the calibration func- tion.
  • Page 45 –  – Temp – mA Calibration Functions: V – Hz – mA 6.2 Voltage Source [V] Selecting a Voltage Range for the Fixed Value Function ➭ Press the ZERO / SEL | ESC key in order to switch to the Voltages within the following ranges can be simulated: 0 ...
  • Page 46 –  – Temp – mA Calibration Functions: V – Hz – mA 6.3 Pulse, Frequency Generator (positive square-wave pulse) [Hz]  Note Voltage and frequency can be set independent of each other for The following error messages are possible: “HiCurr” (high frequency generators.
  • Page 47 –  – Temp – mA Calibration Functions: V – Hz – mA 6.4 Resistance Simulation [] Abbreviated Instructions The resistance simulator is capable of simulating resistors using Select the calibration function. 2-wire connection for the following range: 5  2000 . ON/OFF 2-Wire Resistance Calibrator LIGHT...
  • Page 48 –  – Temp – mA Calibration Functions: V – Hz – mA 6.5 Temperature Simulation [°C / °F] The reference temperature is indicated in the auxiliary display. The temperature simulator is capable of simulating resistance temperature detectors (RTD) or thermocouples (TC) with Parameter Entries for Thermocouple Temperature Simulation specification of the external reference junction temperature.
  • Page 49 –  – Temp – mA Calibration Functions: V – Hz – mA 6.5.1 Temperature Simulation for Resistance Thermometers – 6.5.2 Temperature Simulation for Thermocouples – RTD Temperature Setting TC Temperature Setting Resistance temperature detectors (types Pt100, Pt1000, Ni100 Thermocouples (types B, E, J, K, L, N, R, S, T and U) are and Ni1000) are simulated by means of resistance values.
  • Page 50 –  – Temp – mA Calibration Functions: V – Hz – mA Function Description and Applications No external voltage may be applied to the calibrator jacks in this operating mode. 10 different types of thermocouples can be selected, and can be The calibrator is protected against brief application of large simulated within the temperature ranges specified by IEC/DIN.
  • Page 51 –  – Temp – mA Calibration Functions: V – Hz – mA 6.6 Current Source and Current Sink [mA] Abbreviated Instructions ➭ Select the mA current sink ( ) or mA current source ( Select the calibration function. calibration function with the rotary switch. ➭...
  • Page 52 –  – Temp – mA Calibration Functions: V – Hz – mA 6.6.1 Current Sink – Simulation of a 2-Wire Transmitter 6.6.2 Current Source A current sink (0 24 mA) or current loop load can be simulated Internal supply power is used to simulate a current source. with this function.
  • Page 53 –  – Temp – mA Calibration Functions: V – Hz – mA = manual) 1nt mode 6.7 Interval Functions, Ramp Functions • Step jumps can be executed manually ( with the  and  keys, or automatically ( = Auto) 1nt mode Two types of setpoint sequences can be generated in order to with selectable time per step.
  • Page 54 –  – Temp – mA Calibration Functions: V – Hz – mA Setting the Interval Parameters Example of a Manually Controlled Interval Sequence ZERO/SEL MEAS/CAL Source 300 mV  15 V   1nt seleCt range [mA] SETUP Manual Stop ...
  • Page 55 –  – Temp – mA Calibration Functions: V – Hz – mA Automatic Interval Sequence Example of an Automatic Interval Sequence Automatic execution of a programmed sequence range is above U [V] all advisable if feed to the signal circuit and scanning of the run up run dn hold...
  • Page 56 –  – Temp – mA Calibration Functions: V – Hz – mA 6.7.2 Read-Out a Periodic Ramp – RAMP Function Examples of Ramp Sequences Ramp-type signals can be used to test the dynamic performance 3,0,0 (t1, t2, t3) 0,0,3 (t1, t2, t3) of devices to be calibrated, or entire measuring circuits.
  • Page 57 –  – Temp – mA Calibration Functions: V – Hz – mA Setting Ramp Parameters The relationship between the output signal and each of the key operations is depicted with the help of the following example. ZERO/SEL MEAS/CAL 300 mV  15 V   ramp seleCt range SETUP ...
  • Page 58 –  – Temp – mA Calibration Functions: V – Hz – mA Example of a Periodic Ramp Sequence Controlled by Manual Intervention 6.7.3 Dual Mode (simultaneous simulation and measurement) All simulation functions can be activated and, at the same time, U [V] transmitter signal U or I can be measured in the most commonly t1 up...
  • Page 59 –  – Temp – mA Calibration Functions: V – Hz – mA –  Temp DUAL ZERO/SEL Long Vdc 30 1dc 30 Acknowledge ENTER Select Range ZERO/SEL  select range select sensor Change Value ENTER 000.00    DUAL 00.340 02.000...
  • Page 60 Device and Measuring Parameters Device and Measuring Parameters After repeatedly pressing the MEAS / CAL | 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 61 Device and Measuring Parameters 7.1 Paths to the Various Parameters 7.2 List of All Parameters Parameter Page: Header diSP 62: 0.diSP – show/hide leading zeros Addr 67: Configuring Interface Parameters MEAS / CAL 020.00 1nfo APoFF 63: APoFF – specified time for automatic shutdown and continuous ON SETUP bAtt TRMS...
  • Page 62 Device and Measuring Parameters 7.3 Querying Parameters – InFo Menu (as moving letters) 7.4 Entering Parameters – SETUP Menu bAtt – query battery voltage rAtE – set the sampling rate MEAS / CAL 1nFo bAtt: 3.1 V. The sampling rate specifies the time interval after which the SETUP ENTER respective measured value is transmitted to the interface, or to...
  • Page 63 Device and Measuring Parameters APoFF – specified time for automatic shutdown and continuous ON bEEP – set limit value for continuity testing MEAS / CAL 1nFo   time   bEEP The instrument is switched off automatically if the measured value SETUP ENTER remains unchanged for a long period of time, and if none of the...
  • Page 64 Device and Measuring Parameters 7.5 Default Settings tiME – set time Previously entered changes can be undone, and the default Entering the correct time makes it possible to acquire measured settings can be reactivated. This may be advisable under the values in real-time.
  • Page 65 Device and Measuring Parameters GMC-I Messtechnik GmbH...
  • Page 66 Interface Operation Interface Operation The “continuous transmission” operating mode is selected manually as described below. In this operating mode, the The METRAHIT MULTICAL is equipped with an infrared interface for instrument continuously transmits measurement data to the PC communication with the PC. Commands are optically transferred via the interface adapter, which can then be displayed with the through the instrument housing by means of infrared light to an in- help of a terminal program.
  • Page 67 Interface Operation Addr – Address 8.2 Configuring Interface Parameters If several multimeters are connected to the PC via an interface 1rStb – 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 68 Technical Data Technical Data Simulator for Temperature Sensors (resolution: 0.1 K) Sensor Type Simulation Simulation Range Intrinsic Overload Calibrator Section in F Range Uncertainty in C Simulation Resolution Max. Load Intrinsic Overload (% S + K) Range 30,000 Digits With a Load of Uncertainty Resistance Thermometer per IEC 751 (4¾...
  • Page 69 Technical Data Multimeter Section Resolution at Upper Intrinsic Uncertainty at Highest Resolution Overload Capacity Range Limit Input Impedance under Reference Conditions Meas. Measuring Range (...% rdg. + ... d) (...% rdg. + ... d) Function 30000 2) 10 (60000) Value Time 3100 1 V...
  • Page 70 Technical Data Meas. Overload Capacity Resolution at Upper Intrinsic Uncertainty at Highest Resolution Func- Measuring Range Input Impedance Range Limit under Reference Conditions Value Time tion 30,000 (...% rdg. + ... d) 3100 (60,000) 0.01 Hz 300 V 3 kHz 0.1 Hz 300 V 7) 10)
  • Page 71 Technical Data Influencing Quantities and Influence Error Influencing Measured Qty. / Influence Error Frequency (... % rdg. +... d) Quantity Meas. Range Influencing Sphere of Measured Quantity / Influence Error  (... % rdg. + d)/10 K > 20 Hz ... 45 Hz 300 µA 2 + 30 Quantity...
  • Page 72 Technical Data Response Time (multimeter functions) Response Time (after manual range selection) Influencing Measuring Attenuation Sphere of Influence dB Quantity Range Measured Quantity / Digital Display Measured Quantity Interference quantity max. 250 V > 90 dB Measuring Range Response Time Jump Function Common mode 300 mV...
  • Page 73 Technical Data Power Supply Fuses Battery 2 ea. 1.5 V mignon cell (AA), Fuse links DMM (mA current measuring ranges): alkaline manganese per IEC LR6 FF0.63A/400V, 5 mm x 20 mm, or equivalent rechargeable battery breaking capacity1.5 kA at 380 V AC with ohmic load Service life With alkaline manganese (2600 mAh)
  • Page 74 Technical Data Mechanical Design Protection IP 65 Table Excerpt Regarding Significance of IP Codes IP XY Protection against foreign IP XY Protection against the digit X) object entry digit Y) penetration of water dust-proof jet-water Dimensions 200 x 87 x 45 mm Weight Approx.
  • Page 75 Technical Data GMC-I Messtechnik GmbH...
  • Page 76 Maintenance – Calibration 10 Maintenance and Calibration Charge level The current battery charge level can be queried in the “1nfo” Attention! Disconnect the instrument from the measuring circuit before menu: opening the battery compartment lid or fuse cover in order MEAS / CAL to replace batteries or fuses! 1nFo...
  • Page 77 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 open- ing the battery compartment lid in order to replace the batteries.
  • Page 78 Maintenance – Calibration 10.4 Housing Maintenance No special maintenance is required for the housing. Keep outside Attention! Use specified fuses only! If fuses with other blowing surfaces clean. Use a slightly dampened cloth for cleaning. Avoid characteristics, other current ratings or other breaking capacities the use of cleansers, abrasives or solvents.
  • Page 79 Maintenance – Calibration 10.7 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 80 Accessories 11 Accessories 11.1 General 11.3 NA X-TRA Power Pack (not included) The extensive accessories available for our measuring Use power packs from GMC-I Messtechnik GmbH only in instruments are checked for compliance with currently valid safety combination with your instrument. This assures operator safety by regulations at regular intervals, and are expanded as required for means of an extremely well insulated cable, and safe electrical new applications.
  • Page 81 Accessories  11.4 Interface Accessories (not included) METRAwin 90-2 Calibration Software (in preparation) This software allows for paperless documentation and USB X-TRA Bidirectional Interface Adapter management of calibration results, as well as remote control of This adapter makes it possible to connect the the calibrator.
  • Page 82 Keyword Index Keyword Index Numerics Diode Test Querying Occupancy ............. 33 ........24 0.diSP ..............62 Display Illumination Start Recording ..........16 ..........23 Addr ..............67 Error Messages OCCUP ............ 76 ..............62 APoFF ..............63 Overview Automatic Shutdown Keys and Connections ........
  • Page 83 Keyword Index Symbols Digital Display ..........13 Instrument .............15 Rotary Switch Positions ........14 Temperature Measurement With Resistance Thermometers ....35 With Thermocouples ........34 tiME ............... 64 Training ..............3 Use for Intended Purpose ........10 Voltage Comparator ........29, 30 Voltage Measurement Notes .............27 Scope of Functions...
  • Page 84   Edited in Germany Subject to change without notice PDF version available on the Internet Phone: +49 911 8602-111 GMC-I Messtechnik GmbH Fax: +49 911 8602-777 Südwestpark 15 e-mail: info@gossenmetrawatt.com 90449 Nuremberg • Germany www.gossenmetrawatt.com...

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M245a