Below is a list of measuring instruments used in power engineering work.

Name PurposeCable identifierDiagnoses damage along a HV cableContact resistance meterMeasures the contact resistance of a power switching device.Circuit breaker analyzerMeasures the parameters of a circuit breaker.Grounding resistance testerMeasures the parameters of soil for grounding applications.Transformer oil testerMeasures the parameters of oil in a power transformer.Circuit breaker / Switchgear testerMeasures the parameters of a circuit breaker/switchgear.Impedance testerMeasures the impedance of an AC or DC line (conductor)

See also E-meter