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WARNING

READ "SAFETY INFORMATION" BEFORE USING THE METER

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1. INTRODUCTION

This manual contains information and warnings which must be followed to ensure
safe operation of the clampmeter.

This clampmeter is a handheld 3200-count instrument that is designed for use in
the laboratory, field servicing and any circumstance where high current 
measurement is required. The clampmeter incorporates a finger guard which
ensures the safety of the user whilst operating the instrument, a rugged case that
is shock resistant and fire retardant and electronic overload protection for all
functions and ranges. In addition, a protective carrying case is included for
protection of the meter whilst not in use.

1.1 Description

Summary of Contents for CM56

Page 1: ...rom Martindale Martindale Electric Company Limited Metrohm House Penfold Trading Estate Imperial Way Watford WD24 4YY UK Tel 44 0 1923 441717 Fax 44 0 1923 446900 E mail sales martindale electric co u...

Page 2: ...een constructed Particular attention should be paid to these warnings the precautions the technical specifications and the use of the CM56 in dry surroundings Always inspect your clampmeter test leads...

Page 3: ...Information 5 3 Operation 6 3 1 Voltage Measurement 6 3 2 Current Measurement 7 3 3 Resistance Measurement 8 3 4 Continuity Testing 9 3 5 Diode Testing 9 3 6 Frequency Measurements 9 4 Maintenance 10...

Page 4: ...s designed for use in the laboratory field servicing and any circumstance where high current measurement is required The clampmeter incorporates a finger guard which ensures the safety of the user whi...

Page 5: ...use this function select the current range and press the PEAK button The PEAK indicator will appear on the display When the instrument detects current the peak value will be displayed and held in the...

Page 6: ...9 Volt battery installed in meter 4 Instruction manual 5 Protective carry case If any of the above items are missing please contact your distributor immediately 1 3 REPLACING THE BATTERY WARNING To a...

Page 7: ...ing Electrical noise or intense electromagnetic fields in the vicinity of the equipment may disturb the measurement circuit Measuring instruments will also respond to unwanted signals that may be pres...

Page 8: ...y voltage measurements if the voltage is above 1000V DC or 750VAC These are the maximum voltages that this instrument is designed to measure The COM terminal potential should not exceed 500V measured...

Page 9: ...2 Repair Service There are no user serviceable parts in this unit Return to Martindale Electric Company Ltd if faulty Our service department will quote promptly to repair any fault that occurs outsid...

Page 10: ...uit and from the input terminals of the clampmeter 3 5 DIODE TESTING 1 Set the position by turning the rotary switch and press the RANGE button to enter Diode testing 2 Follow steps 2 4 as for resista...

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