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Megger SG32-1500M User Manual

Megger SG32-1500M
76 pages
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SG32-UG-EN-V01
Dec 2016
User Guide
SG32-1500M
Megger Portable
Cable Fault Locator
HIGH VOLTAGE EQUIPMENT
Read this entire manual before operating
.
EN 61326
M
Valley Forge Corporate Center
2621 Van Buren Avenue
Norristown, PA 19403-2329
U.S.A.
610-676-8500
www.megger.com

Table of Contents

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Megger SG32-1500M Specifications

General IconGeneral
TypeInsulation Resistance Tester
Voltage Resolution1 V
Power SourceBattery
Output Voltage250V, 500V, 1000V
Insulation Resistance Measurement Range1 kΩ to 300 GΩ
Resistance Range1 kΩ to 300 GΩ
Output Current1mA to 5mA
Test Current1mA to 5mA
DisplayDigital
Weight0.5 kg

Summary

Getting to Know Your SG32-1500M

SG32-1500M Overview and Methods

Introduces the unit's operation and details various pre-location methods like TDR, Arc Reflection, and ICE.

SG32-1500M Top Panel Controls

Details all buttons, switches, indicators, and safety interlocks on the unit's top panel.

SG32-1500M External Connections

Explains essential connections including Earth/Ground, AC supply, and cable interfaces.

Integrated MTDR Overview

Describes the features and controls of the built-in MTDR, including display and jog-dial.

Specifications

Supply and Input Voltage

Details the power supply requirements, fuse types, and maximum power consumption.

Modes of Operation

Lists the various testing and fault locating modes the SG32-1500M supports.

High Voltage Specifications

Covers surge impulse, arc reflection, and ICE voltage and energy ratings.

Low Voltage Specifications

Details the integrated MTDR 100, including ranges, pulse width, and sampling rate.

Environmental and Safety Specs

Outlines operating temperature, humidity, elevation limits, and safety certifications.

Dimensions and Accessories

Provides physical dimensions, weight, and lists standard supplied accessories.

Optional Items

Lists optional accessories not supplied as standard with the instrument.

Safety

General Safety Precautions

Emphasizes user responsibility and adherence to local safety standards.

Handling Guidance

Advises on proper lifting and maneuverability of the heavy SG32-1500M unit.

Safety in Using the SG System

Crucial warnings about high voltage, lethal energy levels, and safe operating practices.

Preparing for Test

Important Safety Warnings for Testing

Critical warnings regarding HV Return, cable insulation, and extending leads.

Site Preparation

Guidelines for selecting a safe and suitable location for testing operations.

Making Connections

Step-by-step instructions for safely connecting the instrument and test cables.

Grounding and AC Supply

Details proper earthing procedures and AC power connection requirements.

Cable Connections and Safety Zone

Covers HV cable, sheath/concentric connections and establishing a safety zone.

Operation of the SG32-1500M

Test Modes Overview

Lists the available testing and fault locating modes for the SG32-1500M.

Switching On the Unit

Step-by-step guide for powering up the SG32-1500M and initial self-checks.

Test Procedures: DC Dielectric Tests

Explains how to perform DC Dielectric Withstand (Proof) and Proof/Burn tests.

TDR Low Voltage Pre-location

Instructions for using the integrated TDR for low voltage fault pre-location.

High Voltage Pre-location Methods

Details Arc Reflection, DART, and ICE methods for high voltage fault pre-location.

Surge Generation for Pinpoint Location

Describes using surge impulse for pinpointing faults, often with external units.

Switching Off the Unit

Procedures for safely powering down and de-energizing the SG32-1500M.

Maintenance

Service and Repair Recommendations

Advises on inspections and recommends professional service for maintenance.

Failure Reporting Information

Lists essential details needed when reporting equipment failures or issues.

Addendum 1

Cable Fault Location Applications Guide

Provides guidance on applying different fault location techniques in various scenarios.

Addendum 2

Typical Fault Locating Strategy

Outlines a methodical approach to safely and accurately identify cable faults.

Fault Pre-location Methods Description

Detailed explanations of TDR, Arc Reflection, and ICE/Impulse Current techniques.

Addendum 3

MTDR100 User Guide

Comprehensive guide for operating the integrated MTDR100 unit.

MTDR100 Specifications

Technical specifications for the MTDR100, including operation, modes, and ranges.

Operation of the MTDR100

MTDR100 Initial Setup

Guides the user through initial configuration and default settings for the MTDR100.

MTDR100 File Management

Covers saving, loading, deleting traces, and managing job information.

MTDR100 Methods and Modes

Explains how to select and configure different operational modes like TDR, Arc Reflection, and Impulse Current.

MTDR100 Trace Analysis

Explains how to analyze captured traces and adjust parameters for accurate fault location.

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