Megger LTW325 User Manual

M
LTW300 Series
Earth Loop testers
User Guide

Megger LTW325 Specifications

General

Brand	Megger
Model	LTW325
Category	Test Equipment
Language	English

Summary

Safety Warnings

Loop Testing Procedures

5.1 Test Method Descriptions

Details various loop testing methods: No-Trip, High Current, High Resolution.

5.2 Performing Loop Tests

Instructions on performing loop tests, including auto start and test modes.

5.3 High Current Loop Test

Details on performing high current loop tests for various configurations.

5.4 High Resolution Loop Test (LTW425)

Performing high resolution loop tests on LTW425 models.

5.5 Prospective Fault Current (PFC)

Understanding the Prospective Fault Current (PFC) display and measurement.

5.6 Possible Sources of Error

Identifies and explains potential sources of error in loop testing.

5.7 MaxZ Measurement

Using the MaxZ function for maximum loop impedance measurement.

5.8 Deriving R1+R2

Automatic derivation of R1+R2 circuit impedance.

Voltage and Frequency Measurement

Saving and Downloading Test Results (LTW335)

SETUP Menu Configuration

Warning and Status Messages

Loop Test Inhibit/Termination

Reasons and indications for loop test inhibition or premature termination.

Battery and Fuse Replacement

Battery Replacement Procedure

Step-by-step guide for replacing the instrument's batteries.

Technical Specifications

Repair and Warranty Information