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Introduction to Megohmmeters

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Learn Ohm’s Law and how it is used when analyzing test results. The basic components, uses, and functions of a megohmmeter are described.

Prerequisites

None.

Description

This is the first lesson in the iKNOW™ Ammeters, Meggers, and Wheatstone Bridge Library. This lesson explains Ohm’s Law and how it is used when analyzing test results. The basic components, uses, and functions of a megohmmeter are described. Insulation and causes of insulation damage are also covered.

Objectives

Explain the formula for Ohm’s Law.  Explain how a working knowledge of Ohm’s Law can be helpful when analyzing test results.  Describe, and give an example of, the use of a megger.  List the causes of damaged insulation.  Describe the causes and effects of low resistance readings.  Identify the basic components of a typical megger.  Identify the switches on a digital megger.  Define the function of a megger.


AMMETERS MEGGERS AND WHEATSTONE BRIDGE

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Duration: 1 Hour
Lectures: 5
Video: 1 Hour
Level: Intermediate