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- Operation
- See also
- References
thumb|Megohmmeter M1101M.
A megohmmeter or insulation resistance tester, is a special type of ohmmeter used to measure the electrical resistance of insulators. Insulating components, for example cable jackets, must be tested for their insulation strength at the time of commissioning and as part of maintenance of high voltage electrical equipment and installations.
Excerpted from Wikipedia’s “Megohmmeter” article, available under the CC BY-SA 4.0 licence.