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Martindale Electric CM58 Instruction Manual

Clamp meter
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© Martindale Electric Company Ltd. 2007
Registered in England No. 3387451. Rev 5
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Tel 0044 191 490 1547 Fax 0044 191 477 5371
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CM58
CLAMP METER
I
NSTRUCTION
M
ANUAL
MARTINDALE
E L E C T R I C
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  • Page 1 Thorne and Derrick UK E L E C T R I C © Martindale Electric Company Ltd. 2007 Tel 0044 191 490 1547 Fax 0044 191 477 5371 Registered in England No. 3387451. Rev 5 Tel 0044 117 977 4647 Fax 0044 117 9775582...
  • Page 2 Particular attention should be paid to these Warnings, the Precautions, the Technical Specifications and the use of the CM58 in dry surroundings. Always inspect your clampmeter, test leads and accessories for any sign of damage before use.

  • Page 3: Table Of Contents

    Capacitance CONTENTS Range Resolution Accuracy (with film capacitor or better) Introduction 4 nF 0.001 nF ±(1.0% rdg +40d) in Relative mode Description 40 nF 0.01 nF ±(1.0% rdg +4d) in Relative mode Unpacking & Inspection 400 nF 0.1 nF ±(1.0% rdg +4d) Replacing the Battery 4 µF 0.001 µF...

  • Page 4: Introduction

    1. INTRODUCTION DC Current This manual contains information and warnings which must be followed to ensure Range Resolution Accuracy (50-60 Hz) safe operation of the clampmeter. 400A 100mA 0-600A±(1.5%rdg+5d) 600A-800A±(2.5%rdg+5d) WARNING READ "SAFETY INFORMATION" BEFORE USING THE METER 1000A >800A±(3.5%rdg+5d) Overload Protection: 1200A for 60 seconds Maximum 1.1 Description Resistance...
  • Page 5 DC Volts 1. Volt - Input Terminal This is the positive input terminal for VOLTAGE measurements. Connection is Range Resolution Accuracy Input Impedance made to it using the red test lead. 400mV 100µV ±(0.5% rdg +1d) >1000MΩ ±(0.5% rdg +1d) 11MΩ...

  • Page 6: Unpacking & Inspection

    Specification Squeeze the trigger to open the clamp jaws. When the trigger is released, the jaws will close. CM58 Clamp Meter 1.2 UNPACKING AND INSPECTION After removing your new Digital Clamp Meter (DCM) from its packaging, you should have the following items: 1.

  • Page 7: Safety Information

    4.1 Cleaning The CM58 may be cleaned using a soft dry cloth. Do not use abrasives, solvents, This product complies with the requirements of the following European Community Directives: 89/336/EEC (Electromagnetic Compatibility) and or detergents, which could be conductive.

  • Page 8: Voltage Measurement

    1. Select desired voltage range (AC V~ or DC V ). 6. Push hold button to stop measuring. Make a note of the minimum reading. 2. Connect the Black test lead into the COM input jack on the CM58 and the Red test lead into the VOLT input jack.

  • Page 9: Resistance Measurement

    2. Select the resistance range (Ω). 3. Push the min/max button once, the CM58 will display the minimum value 3. Connect the Black test lead into the COM input jack on the CM58 and the Red measured from point when the min/max function was initialised.

  • Page 10: Continuity Testing

    2. Set the rotary switch selector to the (capacitance) range. 3. Connect the Black test lead into the COM input jack on the CM58 and the Red 3. Connect the Black test lead into the COM input jack on the CM58 and the Red test lead into the HzΩF...

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