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ED&D LT-952 - User Manual

ED&D LT-952
19 pages
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PRODUCT SAFETY SOLUTIONS
U
U
S
S
E
E
R
R
S
S
M
M
A
A
N
N
U
U
A
A
L
L
L
L
E
E
A
A
K
K
A
A
G
G
E
E
C
C
U
U
R
R
R
R
E
E
N
N
T
T
T
T
E
E
S
S
T
T
E
E
R
R
MODEL
LT-952
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Summary

Introduction

Warnings

Critical safety warnings and hazard information for using the leakage current tester.

Product Purpose

Explains the tester's function in measuring leakage current per safety standards.

Understanding Leakage Current

Defines leakage current and how it is measured according to safety standards.

Before Using

Safety and Preparation

Essential steps and warnings before operating the LT-952, including qualifications.

Product Components: Front Panel

Front Panel Components Overview

Details the various controls, switches, indicators, and connectors on the front panel.

Product Components: Rear Panel

Rear Panel Components Overview

Identifies and labels connectors and switches on the rear panel.

Product Specifications

Operating Instructions

Measuring Through DUT Power Cord

Step-by-step guide for measuring leakage current via the product's ground cord.

Surface to Reference Measurement

Procedure for measuring leakage current from a surface to a reference point.

Surface to Surface Measurement

Procedure for measuring leakage current between two exposed surfaces.

Field Testing Grounded Products

Instructions for measuring leakage current on products that cannot be isolated from ground.

Theory of Operation

AC Current Switching Circuit

Description of the circuits handling AC power input and DUT connections.

Meter Measurement Circuit

Details the electronics for measuring, scaling, and displaying leakage current.

Troubleshooting

Meter Fuse Blows

Common causes and solutions when the meter fuse repeatedly blows.

Front Panel Receptacle Dead

Troubleshooting steps for a non-functional front panel AC receptacle.

Over Range Condition

Interpreting and resolving the '1' display indicating an over range condition.

Blank Display; Ground Indicator Issue

Diagnosing issues with the meter display and ground indicators.

Line Fuse Blows

Diagnosing and resolving problems with the line fuse blowing.

Zero Leakage to Reference

Troubleshooting why near-zero leakage is measured for surface to reference.

Calibration

Limited Warranty

Contact Information

ED&D LT-952 Specifications

General IconGeneral
BrandED&D
ModelLT-952
CategoryTest Equipment
LanguageEnglish