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Velleman DCM266 User Manual

Velleman DCM266
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DCM266
Digital Clamp meter
OPERATION MANUAL
GEBRUIKERSHANDLEIDING
MANUEL D’UTILISATEUR
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Velleman DCM266 Specifications

General IconGeneral
Continuity testYes
Diode testYes
Transistor testYes
Square wave outputYes
Power Supply9V battery
AC voltage200V/600V
Battery test1.5V, 9V
Measurement RangeVaries by function
ResolutionVaries by function
DC voltage200mV/2V/20V/200V/600V
DC current200µA/2mA/20mA/200mA/10A
Resistance200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ

Summary

Safety Information

Preliminary Safety Rules

User must observe all normal safety rules concerning protection against current dangers and meter misuse. Ensure compliance with safety standards.

Safe Operation During Use

Instructions for safe operation, including not exceeding limits, avoiding touching unused terminals, selecting ranges, and precautions for specific circuits.

Safety Symbols Explained

Explains symbols like important safety information, dangerous voltage, earth ground, and double insulation.

Meter Maintenance Guidelines

Guidelines for meter maintenance, including disconnecting power before opening, checking for faults, and cleaning methods.

Meter Description and Features

Function and Range Selector

Describes the rotary switch for selecting measurement functions and ranges, and that the meter is off when set to OFF.

Transformer Jaws Operation

Explains how to use the trigger to open and close the transformer jaws for AC current measurement.

Data Hold Functionality

Mentions a push switch for data hold function available on ACA, ACV, and DCV ranges.

Input Jacks and Connections

Details the three input jacks and connection procedures for test leads, including the EXT jack for insulation testers.

Operating Instructions

Measuring AC Current

Steps for measuring AC current using the transformer jaws, including handling overrange indication.

Performing Insulation Tests

Procedure for performing insulation tests using the optional 500V insulation tester unit, including connections and settings.

Measuring Voltage (AC/DC)

Instructions for measuring DCV or ACV, connecting leads, and interpreting overrange indications.

Measuring Resistance

Steps for measuring resistance, including lead connection, range selection, and safety notes for in-circuit measurements.

Continuity Test Procedure

Procedure for continuity testing, including lead connection, range selection, and expected buzzer sound.

Specifications

General Specifications

General specifications including display type, measuring system, voltage limits, operating/storage conditions, power, accessories, and dimensions.

AC Current Measurement Specs

Detailed specifications for AC current measurement, including range, resolution, accuracy, frequency range, response, and overload protection.

Insulation Test Specifications

Specifications for insulation testing with the optional unit, detailing ranges, resolution, and accuracy for different resistance levels.

AC Voltage Measurement Specs

Specifications for AC voltage measurement, including range, resolution, accuracy, input impedance, overload protection, and frequency range.

DC Voltage Measurement Specs

Specifications for DC voltage measurement, including range, resolution, accuracy, input impedance, and overload protection.

Resistance Measurement Specs

Specifications for resistance measurement, including range, resolution, accuracy, overload protection, and open circuit voltage.

Accessories and Battery

Included Accessories

Lists the accessories included with the meter: test leads, battery, and operating manual.

Battery Replacement Procedure

Instructions on how to replace the battery when the "BAT" indicator appears, with a safety warning.

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