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Megohmmeter
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megohmmetr, izolační odporové měřidlo
a specialized electrical testing instrument used to measure the resistance or insulation quality of electrical insulation materials, such as wires, cables, motors, and transformers
Example
The electrician used a megohmmeter to check the insulation resistance of the cables before installation.
To avoid electrical hazards, a megohmmeter should be used regularly to inspect the insulation in old wiring.
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