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Megger BM21

Insulation Resistance Tester; 5KV

Model

BM21

Product Family

Electrical & Power Quality

Manufacturer

Megger

Configured models contain the following attributes:

Electrical & Power QualityInsulation / Ground Testing

Configurations

Key Specs

Product Overview

Resources

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Product Overview

The Megger® BM11 series of 5 kV Insulation Testers provides a choice of features to suit all applications and budgets.

The traditional BM11 instrument became the industrystandard 5 kV tester. It is battery-powered, housed in a rugged case and has a large, simple white-on-black scale.

The series has been extended with three analogue/digital instruments; the BM11D, BM21 and BM25. These instruments show results and test options on a large, clear analogue/digital scale for both practicality and precision. A built-in timer makes both spot tests and PI testing easier to carry out.

They are powered by a built-in rechargeable lead-acid battery which can be charged directly from any supply from 95 V to 265 V. All testers incorporate a guard terminal to allow surface leakage to be removed.

Key Features

Large, custom Analogue/Digital LCD

Built-in timer

Locking test leads for safety

Battery indicator

Automatic discharge of capacitance

Voltage measurement and warning

Tests to 500 GΩ

Variable test duration controlled by timer

Variable test voltage in 25 V steps to 5000 V

Leakage current and capacitance measurement

Breakdown or Burn modes

Tests to 5,000 GΩ

Weather proof to IP54

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