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Clarke CDM20 User Manual

Clarke CDM20
24 pages
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0607
DIGITAL MULTIMETER
Model No: CDM20
PartNo: 4500007
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Clarke CDM20 Specifications

General IconGeneral
Diode TestYes
Continuity TestYes
DisplayLCD
Measurement TypesAC/DC Voltage, AC/DC Current, Resistance, Diode
AC Voltage Ranges200V, 750V
DC Voltage Ranges200mV, 20V, 200V, 1000V
AC Current Ranges200µA, 20mA, 200mA
DC Current Ranges200µA, 20mA, 200mA
Resistance Ranges200Ω, 20kΩ, 200kΩ
Battery Type9V

Summary

Safety Precautions

Safe Usage Practices

Instructions for safe operation, including avoiding touching terminals, setting ranges, and handling live circuits.

Maintenance and Care

Product Description

Operating Instructions

Measuring Voltage

Step-by-step guide on connecting leads and setting the rotary switch for voltage measurements, including overrange indication.

Measuring Current

Instructions for connecting leads and setting the rotary switch for DC current measurements, noting lead placement for different current ranges.

Measuring Resistance

Guide for connecting leads and setting the rotary switch for resistance measurements, including notes on overrange and in-circuit checks.

Specifications

DC Voltage Specifications

Table of ranges, accuracy, resolution, input impedance, and overload protection for DC voltage measurements.

AC Voltage Specifications

Table of ranges, accuracy, resolution, input impedance, frequency range, and overload protection for AC voltage measurements.

DC Current Specifications

Table of ranges, accuracy, resolution, max input current, and overload protection for DC current measurements.

Battery & Fuse Replacement