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Introduction to Megohmmeters

ITC_AMW

Introduction to Megohmmeters

This is the first lesson in Ammeters, Meggers, and Wheatstone Bridge Course. 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.

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SKU: ITC.AMW_1AMW Category: Tag:

Course Overview

The Ammeters, Meggers and Wheatstone Bridge course is designed for participants familiar with AC/DC theory, electrical safety, and electrical print reading. A basic understanding of electronic devices and circuits is recommended. The course describes megohmmeters, Wheatstone bridges, and clamp-on ammeters. It gives examples of the use of these instruments, identifies their components, and defines their functions. The lessons also describe safety and selection considerations for their use, how to set up the instruments, how to connect them to the systems under test, and how to take and read measurements.

Module Overview

This is the first lesson in Ammeters, Meggers, and Wheatstone Bridge Course. 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.

Module Objectives

  • Explain the formula and how a working knowledge of Ohm’s Law is helpful when analyzing test results.
  • Describe, and give an example of, the use of a megger; Define the function 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.
*SkillGRID access for 1 year is included with purchase of all courses/modules for new and expired SkillGRID members.

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