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Megger RCDT320 User Manual

Megger RCDT320
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M
RCDT300 Series
Residual Current Device testers
USER MANUAL
RCDT300_UG_en_V01 07/05/2004 12:07 pm Page 1
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Megger RCDT320 Specifications

General IconGeneral
TypeRCD Tester
Supply Voltage230 V
Frequency50/60 Hz
RCD Trip Current10mA, 30mA, 100mA, 300mA, 500mA
Test Voltage250 V, 500 V
DisplayLCD
Continuity Range0 - 200Ω
Insulation Resistance Range0.01MΩ to 200MΩ
Trip Time Measurement Range0 ms to 300 ms
Voltage Measurement Range0 V to 300 V
Operating Temperature-10 °C to 50 °C
Storage Temperature-20°C to +60°C

Summary

Safety Warnings and Trained Personnel

Trained Personnel Requirement

Instrument must only be used by suitably trained and competent persons.

LCD Display and Front Panel Overview

Preparations for Use

General Operating Instructions

Instrument Operation and Safety Alerts

Covers test inhibit, overheating, fuse blown, and auto power-down features.

Display Warning Symbols and Setup

Touch Voltage Setting Procedure

Steps to configure the touch voltage inhibit limit.

LED Indicators and RCD Testing

RCD Test Types and Methodology

Details on RCD test types (AC/DC, 1/2I, I, 5I, 0/180) and measurement.

RCD Test Selection and Execution

RCD Type, Range, and Test Parameter Selection

Steps to select RCD type, current range, and test parameters.

RCD Trip Time Measurements

Procedures for 1/2I, 1xI, 5xI, and 0°/180° RCD trip time tests.

RampTest Procedure

Procedure for checking RCD trip current using the RampTest function.

Voltage Measurement

Measuring Electrical Supply Voltage

Procedure for measuring voltage using the [V] range.

DC Sensitive RCD Tests and Errors

Replacing Batteries and Fuses

Fuse Blown Indication and Repair

Feature Comparison: Touch Voltage and Polarity

Instrument Specifications

Test Range, Accuracy, Voltage & Frequency Specs

Detailed specifications for RCD tests, voltage, and frequency measurements.

Basic and Service Errors

Repair and Warranty Information

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