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Megger BM21 User Manual

Megger BM21
22 pages
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5kV Digital Insulation Testers
MEGGER
®
BM11D
MEGGER
®
BM21
User Guide
Guide de l’utilisateur
Gebrauchsanleitung
Guía del usuario
MEGGER
®
BM11D/21 Front Cover 1/6/00 10:58 am Page 1
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Megger BM21 Specifications

General IconGeneral
BrandMegger
ModelBM21
CategoryTest Equipment
LanguageEnglish

Summary

Operation

Instrument Features

Covers automatic discharge, variable voltage, burn mode, and detachable lid functionality.

Testing Procedures

Step-by-step guide for performing insulation tests and understanding test termination.

Guard Terminal Usage

Explains the function of the guard terminal and how to use it for specific insulation tests.

Status, Warnings, and Errors

Details on warning indicators, breakdown detection, external voltage, noise, and error codes.

Application Notes

Insulation Testing Concepts

Explains Ohm's Law and the components of insulation test current (charging, absorption, leakage).

Polarization Index (PI) Test

Describes the PI test method, its advantages, and interpretation of results.

Specification

Repair and Warranty

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