Megger DET5/4D - User Manual

M
DET5/4R & DET5/4D
Digital Earth Testers
USER GUIDE
GUIDE DE L’UTILISATEUR
GEBRAUCHSANLEITUNG
GUÍA DEL USUARIO

Summary

SAFETY WARNINGS

General Description

Features and Controls

Live Earth Safety Precautions

Operation

GENERAL TESTING PROCEDURE

Step-by-step guide for performing standard tests.

BATTERY CHARGING (DET5;4 R)

FITTING OR REPLACING BATTERY CELLS (DET5;4 D)

Basic Test Procedure

Four Terminal Measurement

Detailed steps for performing tests using four terminals.

Three Terminal Measurement

Detailed steps for performing tests using three terminals.

Measuring Techniques: Testing Earth Electrodes

FALL-OF-POTENTIAL METHOD

Describes the fall-of-potential method for earth resistance measurement.

Fall-of-Potential Method with Short E Lead

Alternative connection method for fall-of-potential testing.

THE 61,8% RULE

Explains the 61.8% rule for accurate earth resistance measurements.

THE SLOPE METHOD

Details the slope method for earth electrode resistance testing.

METHOD USING A ‘DEAD EARTH

BS7671 (16 TH EDITION WIRING REGULATIONS) REQUIREMENTS

DETERMINING TOUCH POTENTIAL

Explains how to measure 'touch' potential.

DETERMINING STEP POTENTIAL

Explains how to measure 'step' potential.

Measuring Techniques: Measuring Soil Resistivity

LINE TRAVERSE

CALCULATION OF RESISTIVITY

Measuring Techniques: Continuity Testing

Continuity Testing

Specification

Repair and Warranty

Instrument Repair and Spare Parts

Megger DET5/4D Specifications

General

Brand	Megger
Model	DET5/4D
Category	Test Equipment
Language	English