Gossen MetraWatt METRAmax 6 Operating Instructions Manual
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Gossen MetraWatt METRAmax 6 Operating Instructions Manual

Analog multimeter
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Operating instructions
METRAmax 6
3-348-602-02
Analog Multimeter
6/10.15

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Summary of Contents for Gossen MetraWatt METRAmax 6

  • Page 1 Operating instructions METRAmax 6 3-348-602-02 Analog Multimeter 6/10.15...
  • Page 2 Operating Controls 1,5 V 1 Range selector switch 2 Rotary knob to adjust the full-scale deflection 3 Socket connectors 4 Battery compartment 5 Nose to open the meter 6 Adjustment screw for the mechanical zero ∞ on black scale) GMC-I Messtechnik GmbH...

  • Page 3: Table Of Contents

    Table of Contents Page Safety Features and Precautions ........4 Description ................. 6 Operation ................7 Inserting the Battery ................7 Checking the Mechanical Zero ............8 Battery Test ..................8 Measurement ..............9 Resistance Measurement ..............9 4.1.1 Measuring in the Range up to 50 Ω (Ω x 1, red) ......10 4.1.2 Measuring in the Ranges up to 1 MΩ...

  • Page 4: Safety Features And Precautions

    It is therefore imperative that you read the operating instructions thoroughly and carefully before placing the METRAmax 6 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 allow- able. 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.

  • Page 6: Description

    1 F and 30,000 F, and for continuity tests with beeper. The METRAmax 6 offers 9 measuring ranges for resistance and capacitance measurements. The measuring ranges are selected with a range switch. The meter has a rugged movement with spring-loaded jewels.

  • Page 7: Operation

    Prior to each measurement, check mechanical zero and full-scale deflection. 3.1 Inserting the Battery Prior to starting the METRAmax 6, insert a 1.5 V mignon cell into the battery compartment. This requires removal of the lower part of the case.

  • Page 8: Checking The Mechanical Zero

    3.2 Checking the Mechanical Zero ➭ Place the METRAmax 6 into a horizontal position. ➭ Set the range selector switch (1) to the "O" position (OFF). ➭ The pointer has to be exactly over the bar code of the full-scale deflection (∞ on the black scale).

  • Page 9: Measurement

    Measurement 4.1 Resistance Measurement Resistance is measured with DC voltage from the inserted 1.5 V mignon cell. The maximum measuring currents at full-scale deflection, with a battery voltage of 1.5 V, are listed in the range table (see chapter 6 "Characteristic Val- ues").

  • Page 10: Measuring In The Range Up To 50 Ω (Ω X 1, Red)

    Ω Ω 4.1.1 Measuring in the Range up to 50 x 1, red) ➭ Set the range selector switch (1) to Ω x 1 (red marking). ➭ With the rotary knob (2), adjust the pointer to full-scale ∞ deflection ( ) on the red scale.

  • Page 11: Rough Capacitance Measurement

    4.2 Rough Capacitance Measurement ➭ Set the range selector switch (1) to one of the measur- ing ranges μF x 1 ... μF x 1000, depending upon the capacitance value to be measured. ➭ Capacitance is measured according to the ballistic method.

  • Page 12: Diode And Transistor Test

    4.3 Diode and Transistor Test The resistance range Ω x 1000 is suited for a rough func- tional check on semiconductor elements. A resistance measurement is an easy way to find a short circuit or an interruption on a diode and/or a diode junction between base, collector and emitter.

  • Page 13: Acoustic Continuity Test

    4.4 Acoustic Continuity Test The continuity test (range selector switch (1) set to position is suitable for testing low-ohmic connections with a resistance value of ≤1.5 Ω. No external voltage must be applied during the measure- ment! The forward direction of semiconductor elements should not be tested by the audible continuity test but only according to the deflection method (see chapter 4.3).

  • Page 14: Characteristic Values

    Characteristic Values Measuring Ranges Max. Measuring Measuring Range Mid-scale Resistance Current Span Value (R approx. Ω x 0.05 Ω ... 50 Ω 1 Ω (red scale) Ω x 1 Ω ... 1 kΩ 20 Ω Ω x 10 Ω ... 10 kΩ 200 Ω...
  • Page 15 Display Scale mirror-backed Scale length approx. 90 mm ∠ 0° ... 100° Pointer deflection Ambient Conditions Storage temperatures –25 ... 65 °C (without battery) Relative humidity max. 75%, no condensation allowed Power Supply Battery 1 mignon cell 1.5 V per IEC LR6 (AA), leak-proof Overload Protection Fusible link...

  • Page 16: Maintenance

    Maintenance 7.1 Battery The state of the battery should be ckecked from time to time. An exhausted or deteriorating battery must not remain in the battery compartment. Check and replace the battery as described in chapter 3.1 on page 7. 7.2 Fusible Link The holder for the fuse link is soldered to the circuit board.

  • Page 17: Housing

    7.4 Device Return and Environmentally Compatible Disposal The METRAmax 6 is a category 9 product (monitoring and control instrument) in accordance with ElektroG (German Electrical and Electronic Device Law). This device is subject to the RoHS directive.

  • Page 18: Repair And Replacement Parts Service

    Repair and Replacement Parts Service Calibration Center * and Rental Instrument Service When you need service, please contact: GMC-I Messtechnik GmbH Service Center Thomas-Mann-Strasse 20 90471 Nürnberg • Germany Phone +49 911 817718-0 +49 911 817718-253 E-Mail service@gossenmetrawatt.com www.gmci-service.com This address is only valid in Germany. Please contact our representatives or subsidiaries for ser- vice in other countries.
  • Page 19 Competent Partner GMC-I Messtechnik GmbH is certified in accordance with DIN EN ISO 9001:2008. Our DAkkS calibration laboratory is accredited by the Deutsche Akkreditierungsstelle GmbH (National accredita- tion body for the Federal Republic of Germany) in accor- dance with DIN EN ISO/IEC 17025:2005 under registration number D-K-15080-01-01.

  • Page 20: Product Support

    Product Support When you need support, please contact: GMC-I Messtechnik GmbH Product Support Hotline Phone +49 911 8602-0 +49 911 8602-709 E-Mail support@gossenmetrawatt.com Edited in Germany • Subject to change without notice • A pdf version is available on the Internet Phone +49 911 8602-111 GMC-I Messtechnik GmbH...

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