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Megger CM500 User Manual

Megger CM500
40 pages
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User Guide
M
CM500
Multi-Function Installation Tester
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Megger CM500 Specifications

General IconGeneral
BrandMegger
ModelCM500
CategoryTest Equipment
LanguageEnglish

Summary

Safety Warnings

General Safety Precautions

Comprehensive safety warnings and precautions for using the instrument and testing procedures.

Initial Setup

Instrument Setup and Settings

Configuring instrument settings, printer speed, and language options for operation.

General Description

Key Features and Capabilities

Overview of the CM500's main features, test capabilities, and applications.

Features, Controls, and Connections

Instrument Controls and Display

Detailed explanation of the CM500's buttons, selector switch, and display indicators.

Operation

Basic Operation Features

Covers backlight, auto shut-off, probe usage.

Voltage, Frequency, and Polarity Measurement

Procedures for measuring voltage, frequency, polarity, and determining phase sequence.

Resistance and Continuity Testing

Instructions for continuity, low resistance, kΩ measurements, and lead resistance nulling.

Insulation Testing

Methods for performing insulation resistance tests using different lead configurations.

Loop Impedance and Earth Resistance

Detailed steps for measuring loop impedance and earth resistance.

Fault Current and RCD Testing

Procedures for fault current measurement and various RCD tests.

RCD Specific Tests

Measuring RCD trip time, current, and performing auto sequence tests.

Connecting to the Supply

Methods for connecting the CM500 to electrical installations for testing.

Condition and Warning Indication

Instrument Status and Error Indications

Interpretation of instrument status indicators, warnings, and error codes.

Test Result Storage, Deletion, and Retrieval

Managing Test Results

Procedures for saving, deleting, retrieving, and organizing test results.

Printing and Downloading Test Data

How to print results and download data to a PC using the PowerSuite program.

Serial Cable Connections

Serial Cable Connections for PC and Printer

Pinout diagrams and specifications for serial cable connections.

Specification

Measurement Specifications

Detailed technical specifications for various measurements including ranges and accuracies.

Prospective Fault Current Calculation

Formula and table for calculating prospective fault current.

RCD Testing Specifications

Specific parameters and ranges for RCD testing.

Safety and Environmental Compliance

Information on safety standards, EMC, environmental protection, and temperature ranges.

Accessories

Instrument Accessories and Part Numbers

List of optional accessories and their corresponding part numbers.

Related Technical Publications

List of technical publications and user guides.

Basic and Service Error Calculation

Error Calculation Tables

Tables for calculating basic and service errors for accurate measurement interpretation.

Repair and Warranty

Instrument Repair and Warranty Information

Details on instrument repair, warranty, and approved service centers.

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