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Below is a list of measuring instruments used in power engineering work.
| Name | Purpose |
|---|---|
| Cable identifier | Diagnoses damage along a HV cable |
| Contact resistance meter | Measures the contact resistance of a power switching device. |
| Circuit breaker analyzer | Measures the parameters of a circuit breaker. |
| Grounding resistance tester | Measures the parameters of soil for grounding applications. |
| Transformer oil tester | Measures the parameters of oil in a power transformer. |
| Circuit breaker / Switchgear tester | Measures the parameters of a circuit breaker/switchgear. |
| Impedance tester | Measures the impedance of an AC or DC line (conductor) |