Mastech MS5910 - User Manual

RCD/LOOP TESTER
CAT III
300 V
US E R ’S MAN U A L

Summary

Safety Information

Safety Marks

Important safety marks and their corresponding meanings for safe operation.

Knob Switch Operation

Measurement Procedures

L-PE Live Line Voltage Measurement

Procedure for measuring live line voltage to earth.

L-N Live Line Voltage Measurement

Procedure for measuring live line voltage to null line.

Loop Circuit Measurement

Steps for measuring loop circuit resistance.

RCD Measurement

Procedure for performing RCD trip-out current and time measurements.

AUTORAMP Trigger Current Measurement

Method for measuring the AUTORAMP trigger current.

Data Management

Measurement Data Storage

Read Stored Data

Clear Stored Data

Battery Replacement

Technical Data and Accessories

Technical Data

Mastech MS5910 Specifications

General

Brand	Mastech
Model	MS5910
Battery	9V
Temperature Measurement Range	-20°C to 1000°C
Safety Rating	CAT III 600V
AC Current Range	400A
Frequency Range	0-10MHz
Display	LCD
Operating Voltage	9V
Frequency	50Hz/60Hz