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Summary of Contents for Gossen MetraWatt METRAmax 2
- Page 1 Operating instructions METRAmax 2 3-348-734-02 Analog Multimeter 4/5.06...
- Page 2 Operating Controls 6F22 1 Adjustment screw for the mechanical zero OFF on scale) 2 Sliding function switch 3 Rotary range selector switch 4 Rotary knob for mid-scale setting of the electrical zero 5 Safety connection sockets 6 Nose to open the meter 7 Battery compartment GMC-I Gossen-Metrawatt GmbH...
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Page 3: Table Of Contents
Table of Contents Page Safety Features and Safety Precautions ......4 Description ................. 6 Operation ................7 Initial Start-up ................... 7 3.1.1 Connecting the Battery ..............7 3.1.2 Checking the Mechanical Zero ............7 3.1.3 Checking the Electrical Zero .............. 8 Voltage Measurement ............... -
Page 4: Safety Features And Safety Precautions
It is therefore imperative that you read the operating instructions thoroughly and carefully before placing the METRAmax 2 into service, and that you follow all instruc- tions contained therein. Observe the following safety precautions: •... - Page 5 • Measurements under moist ambient conditions are not allowable. Hands, shoes, floor and workplace must be dry. • Be absolutely certain that the measuring ranges are not overloaded beyond their allowable capacities. Meaning of Symbols on the Instrument indicates EC conformity Warning concerning a point of danger.
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Page 6: Description
Description On the METRAmax 2, the measuring ranges are selected with a sliding function switch and a rotary range selector switch. The scale is mirror-backed. The rugged plastic case and the spring-loaded jewel bear- ings of the stray-field-insensitive moving-coil movement with core magnet protect the meter against damages in the case of severe mechanical stress. -
Page 7: Operation
45 minutes. Switching off and on again of the sliding function switch activates the power supply. 3.1.2 Checking the Mechanical Zero The METRAmax 2 must not be connected when checking the mechanical zero. ➭ Set the sliding function switch (2) to the "0" position ➭... -
Page 8: Checking The Electrical Zero
➭ Correct the deviation by means of the adjustment screw 1 on the bottom of the case using a screwdriver, if required. 3.1.3 Checking the Electrical Zero ➭ Set the sliding function switch (2) to the position, select the measuring range ➭... -
Page 9: Voltage Measurement
➭ Set the rotary range selector (3) to the corresponding measuring range position: V 300 V ... 100 mV ➭ Connect the METRAmax 2 ➭ Read the measured value: black scale Operating Mode: Electrical Zero at Mid-scale ➭ Set the sliding function switch (2) to the position ➭... -
Page 10: Direct Ac Voltage Measurement Up To 300 V
➭ Set the rotary range selector switch (3) to the corre- sponding measuring range: V 300 V ... 3 V ➭ Connect the METRAmax 2 ➭ Read the measured value: black scale To keep the influence of the frequency as low as possible, the connection socket "... -
Page 11: Current Measurement
Both voltage components must be tested before switching to a lower measureing range. 3.3 Current Measurement For all current measurements, connect the METRAmax 2 in series with the consumer in the line having the lower poten- tial to ground. 3.3.1 Direct DC Current Measurement Operating Mode: Electrical Zero at the Left ➭... -
Page 12: Dc Current Measurement Via Shunts
3 A...100 µA ➭ Check that the pointer rests at mid-scale, see chapter 3.1.3 on page 8 ➭ Connect the METRAmax 2 according to the wiring dia- gram ➭ Read the measured value: red scale +/– 3.3.2 DC Current Measurement via Shunts The accuracy of the measurement is influenced by the measuring error of the shunt. -
Page 13: Ac Current Measurement
V 100 mV ➭ Check that the pointer rests at mid-scale, see chapter 3.1.3 on page 8 ➭ Connect the METRAmax 2 ➭ Read the measured value: red scale +/– 3.3.3 AC Current Measurement ➭ Set the sliding function switch (2) to the position ➭... -
Page 14: Characteristic Values
Characteristic Values Measuring Ranges DC and AC voltage Internal resistance DC and AC voltage Voltage drop 100 μA / 100 mV 10 MΩ 55 mV 300 mV 10 MΩ 1 mA / 55 mV 10 MΩ 10 mA / 55 mV 3 V / 10 MΩ... - Page 15 Waveshape sinusoidal Ambient Conditions Storage temperatures –25 ... 65 °C (without batteries) Relative humidity max. 75%, no condensation allowed Power Supply Battery 9 V flat cell battery, IEC 6 L R61 (IEC 6F22), automatic battery switch- off after 45 minutes Overload Protection Fuse F3,15 H/250 V per DIN VDE 0820 part 22/EN 60127-2...
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Page 16: Maintenance
5.4 Device Return and Environmentally Compatible Disposal The METRAmax 2 is a category 9 product (monitoring and control instrument) in accordance with ElektroG (German Electrical and Electronic Device Law). This device is not subject to the RoHS directive. -
Page 17: Repair And Replacement Parts Service Dkd Calibration Lab
Repair and Replacement Parts Service DKD Calibration Lab * and Rental Instrument Service When you need service, please contact: GMC-I Gossen-Metrawatt GmbH Service Center Thomas-Mann-Strasse 16-20 90471 Nürnberg • Germany Phone +49-(0)-911-8602-0 +49-(0)-911-8602-253 E-Mail service@gossenmetrawatt.com This address is only valid in Germany. Please contact our representatives or subsidiaries for ser- vice in other countries. - Page 18 We offer a complete range of expertise in the field of metrology: from test reports and proprietary calibration certifi- cates right on up to DKD calibration certificates. Our spectrum of offerings is rounded out with free test equipment management. An on-site DKD calibration station is an integral part of our service department.
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Page 19: Product Support
Product Support When you need support, please contact: GMC-I Gossen-Metrawatt GmbH Product Support Hotline Phone +49-(0)-911-8602-112 +49-(0)-911-8602-709 E-Mail support@gossenmetrawatt.com GMC-I Gossen-Metrawatt GmbH... - Page 20 Edited in Germany • Subject to change without notice • A pdf version is available on the Internet Phone +49-(0)-911-8602-0 GMC-I Gossen-Metrawatt GmbH +49-(0)-911-8602-669 Thomas-Mann-Str. 16-20 E-Mail info@gossenmetrawatt.com 90471 Nürnberg • Germany www.gossenmetrawatt.com...
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