Ethos 8400 User Manual

Ethos Test Instruments, Distributed by MTI,
Victoria Road, Avonmouth, Bristol BS11 9DB
TEL 0117 938 6400 FAX 0117 923 5374
Email: enquiries.ethos@adivision.co.uk
Web: www.ethos-instruments.co.uk
©2015 – Issue 2.V1
8400
17TH EDITION MULTIFUNCTION
INSTALLATION TESTER
USER MANUAL

Ethos 8400 Specifications

General

Brand	Ethos
Model	8400
Category	Test Equipment
Language	English

Summary

Marking Explanations

Safety Precautions

Provides essential safety advice for using the Ethos 8400 tester.

General Warnings

Highlights hazardous conditions and actions to avoid.

Operating the Ethos 8400

Push Button Functions

Rotary Switch Operation

Insulation and Continuity Testing

Continuity Testing

Insulation Test Warnings

Important safety warnings for insulation testing.

Mains Supply and Voltage Test

Loop Test Procedures

High Current Loop Test (Ze)

No Trip Loop Test (Zs)

Explains the No Trip mode for loop impedance testing.

PFC/PSC Measurement

How to measure Prospective Fault Current/Prospective Short Circuit current.

RCD Testing

RCD Test Function

Details the RCD test functions and requirements.

Phase Rotation Measurement

General Specifications

Measurement Specifications and Accuracies

Details measurement specifications and accuracy for various tests.

Operating Uncertainties