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\n Insulation resistance tester，It is usually called a megohmmeter or a high impedance meter，It is widely used to measure generator、motor、Power transformer、wiring、Electrical appliances and other electrical installations（Such as control、signal、Communication and power cables）Insulation resistance of transformer。They are often used in routine maintenance procedures to indicate that the motor is running for months or yearsVariation of internal insulation resistance。The insulation resistance changes greatly，It may indicate a potential failure。therefore，You need to be rightMeggerCarry out regular calibration，To ensure that the instrument itself does not change over time。

more secure

Sine wave or square wave signal

removable damage screws

CB-B 020 Type

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