Technical Diagnostic Services CTER-91-WR Current Transformer Excitation, Ratio and Polarity Test Set [WEEKLY RENTAL]
With Model CTER-91 current transformers can be tested while mounted in transformers, oil circuit breakers breakers or switchgear - without moving bushings and CTs. Using the voltage-comparison method, Model CTER-91 provides a variable-voltage output up to 1000 volts and precision instrumentation for testing single and multi-ratio CTs.
* Tests CTs mounted in transformers or switchgear
* Tests without changing leads