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MARTINDALE ET4500 - User Manual

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MARTINDALE
ET4000, ET4500
Multifunction Installation Testers
Instruction manual

Table of Contents

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Summary

Safety Information

Meaning of Symbols and Markings

Explains the various safety symbols and their meanings used in the manual.

Precautions for Safe Operation

Provides essential safety measures and warnings to prevent hazards during use.

Instrument Description

Front Panel Layout and Controls

Identifies and explains the functions of the front panel controls and display.

Instrument Operation

Function and Measurement Selection

How to select measurement functions and navigate menus.

Measurements Overview

Voltage, Frequency, and Phase Sequence Measurement

How to measure voltage, frequency, and determine phase rotation.

Insulation Resistance Testing

Procedures and safety precautions for measuring insulation resistance.

Insulation Resistance Measurement Procedure

Detailed steps to perform insulation resistance tests.

Earth Connection & Equipotential Bonding Resistance

How to measure resistance for earth and bonding continuity.

Nulling Test Lead Resistance

Procedure for nulling test lead resistance for accurate continuity readings.

5.4 Testing RCDs

Overview of RCD tests including contact voltage, trip-out time, and current.

RCD Contact Voltage (Uc) Measurement

Measures contact voltage to ensure safety limits are met.

RCD Trip-Out Time (RCDt) Measurement

Verifies the RCD's trip-out time at different residual currents.

RCD Trip-Out Current (RCD I) Measurement

Tests RCD sensitivity by increasing residual current.

RCD Autotest Function

Performs a complete RCD test sequence automatically.

RCD Autotest Procedure

Detailed steps for initiating and performing the RCD autotest sequence.

5.5 Fault loop impedance and prospective fault current

Measures fault loop impedance and calculates prospective fault current.

Fault Loop Impedance Measurement Procedure

Detailed steps for measuring fault loop impedance and calculating fault current.

5.6 Line impedance and prospective short-circuit current; Voltage drop

Measures line impedance and calculates voltage drop.

5.6.1 Line impedance and prospective short circuit current

Procedure for measuring line impedance and calculating prospective short circuit current.

5.6.2 Voltage drop

Procedure for calculating voltage drop based on impedance measurements.

5.7 Earth resistance (ET4500 only)

Procedure for measuring earth resistance using the 3-wire method.

5.7.1 Standard earth resistance measurement

Explains connections and considerations for earth resistance testing.

5.8 PE test touch terminal

Explains the use of the TEST key as a PE touch terminal for fault detection.

Data Handling (ET4500 Only)

Saving Test Results

Procedure for saving measurement results and parameters to memory.

Recalling Test Results

How to retrieve saved measurement results from memory.

Instrument Maintenance

Technical Specifications

Insulation Resistance Specifications

Specifies measuring ranges, resolution, and accuracy for insulation resistance.

Continuity Measurement Specifications

Specifies ranges, resolution, and accuracy for various continuity tests.

9.3 RCD testing

Specifies general data, contact voltage, and trip-out parameters for RCDs.

RCD Contact Voltage (Uc) Specs

Specifies measuring ranges, resolution, and accuracy for contact voltage.

RCD Trip-Out Time Specifications

Specifies measuring ranges, resolution, and accuracy for trip-out time.

RCD Trip-Out Current Specifications

Specifies measuring ranges, resolution, and accuracy for trip-out current.

9.4 Fault loop impedance and prospective fault current

Specifies ranges, resolution, and accuracy for fault loop impedance and fault current.

Fault Loop Impedance Specs (No Fuse;Device)

Specifications for fault loop impedance and fault current without protective devices.

Fault Loop Impedance Specs (RCD Selected)

Specifications for fault loop impedance when an RCD is selected.

9.5 Line impedance and prospective short-circuit current; Voltage drop

Specifies ranges, resolution, and accuracy for line impedance and voltage drop.

9.6 Resistance to earth (ET4500 only)

Procedure for measuring earth resistance using the 3-wire method.

Standard Earth Resistance Measurement Specs

Specifications for 3-wire earth resistance measurement.

9.7 Voltage, frequency, and phase rotation

Specifies ranges, resolution, and accuracy for voltage, frequency, and phase rotation.

Appendix A: Impedance Tables

Impedance Tables for Protective Devices

Tables of maximum loop impedances for various fuse, circuit-breaker, and RCBO types.

MARTINDALE ET4500 Specifications

General IconGeneral
Dimensions150mm x 70mm x 48mm
DisplayLCD
AC Voltage Ranges4V, 40V, 400V, 600V
DC Current Ranges400μA, 4000μA, 40mA, 400mA, 10A
AC Current Ranges400μA, 4000μA, 40mA, 400mA, 10A
Resistance Ranges400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ
Frequency Ranges10Hz, 100Hz, 1kHz, 10kHz, 100kHz, 200kHz
Display Count4000
Power SupplyBattery
Voltage Range (AC)4V, 40V, 400V, 600V
Frequency Range10Hz, 100Hz, 1kHz, 10kHz, 100kHz, 200kHz
Battery Type2 x 1.5V AAA batteries

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