海洋仪器6503手摇绝缘表英文产品资料.PDF

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50to5000VDC

Megohmmeters

2010-Ed.01

InsulationResistanceTestingGuide

北京海洋兴业科技股份有限公司（证券代码：839145）电话：010网址：

Electricalin kW, MW, GW or TW. This resistance indicates the

quality of the insulation between two conductors.

insulationtestingBecause it is non-destructive, it is particularly useful

for monitoring insulation aging during the operating

All electrical installations and equipment comply life of electrical equipment or installations. This

with insulation resistance specifications so they can measurement is performed using an insulation tester,

operate safely. Whether it involves the connection also called a megohmmeter.

cables, the sectioning and protection equipment, or

the motors and generators, the electrical conductors

are insulated using materials with high electrical

resistance in order to limit, as much as possible, the Insulationandcauses

flow of current outside the conductors. ofinsulationfailure

The quality of these insulating materials changes over Because measuring insulation with a megohmmeter

time due to the stresses affecting the equipment. is part of a wider preventive maintenance policy, it is

These changes reduce

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