GDJB-III Single Phase Relay Test Kit/ Relay Testing Set is used to adjust and test relaying protection tester of power supply system .It's high precision ,full function ,stable performance ,easy operation and so on .
Main Function
♦ DC voltage relay test
♦ DC current relay test
♦ AC voltage relay test
♦ AC current relay test
♦ High current injection
♦ Time counter in relay test