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Megger LTW335 User Manual

Megger LTW335
28 pages
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M
LTW300 Series
Earth Loop testers
User Guide

Table of Contents

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Megger LTW335 Specifications

General IconGeneral
TypeLoop Tester
DisplayLCD
Continuity Resolution0.01Ω
Loop Test Resolution0.01 Ω
Voltage Resolution0.1 V
SupplyBattery
Resolution0.01 Ω
Operating Temperature-10°C to +50°C
Storage Temperature-20°C to +60°C
Battery TypeAA
PSC Range20kA
Accuracy+/-2% ±2 digits
Power SupplyBattery
Loop Test Range0.01Ω to 1999Ω
Measurement Range0.01Ω to 1999Ω

Summary

Safety Warnings and Precautions

General Safety Information

Critical safety warnings, precautions, and notes for instrument use.

Preparations and Operation

Loop Testing Methods

Description of Test Methods

Overview of different loop testing techniques.

No-Trip Test Modes and Symbols

Details no-trip test modes and symbols indicating test status or noise.

High Current Test Procedures

Explains high current loop tests for Phase to Earth, Neutral, and Phase to Phase.

Prospective Fault Current (PFC)

How to measure and display the Prospective Fault Current (PFC).

Voltage and Frequency Measurement

Data Management (LTW335)

Storing and Downloading Test Results

Instructions for storing results internally and downloading them to a PC.

Configuration and Settings

Troubleshooting and Maintenance

Technical Specifications

General and Loop Testing Specifications

Key specifications for general operation and various loop testing methods.

Accessories, Repair, and Warranty

Repair, Warranty, and Service Information

Details on instrument protection, warranty, and service contact procedures.

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