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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.
Connections
ohm
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electrical circuit
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electrical generator
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electrical resistance and conductance
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International Standard Book Number
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electric current
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infinity
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resistor
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volt
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voltage
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direct current
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torque
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electromagnetic induction
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ammeter
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insulator
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oscilloscope
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voltmeter
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galvanometer
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electromotive force
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crankshaft
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