Huazheng HZ-109S large current primary current injection test set primary current injection test set high precision primary current injector tester

Huazheng HZJB-1200 six phase relay tester six phase relay protection testing Instrument auto relay test set 6 phase relay tester

Huazheng Electric HZJB-I three phase relay tester triphase microcomputer relay protection tester device 3-phase relay test set

Huazheng CS2674AX Withstand Voltage Tester DC Withstanding Voltage Tester Hipot Dielectric Strength Tester

Huazheng Electric No Partial Discharge Generator No Partial Discharge Monitoring System No Partial Discharge Test Set

Huazheng HZHG -F high voltage divider resistive capacitive high voltage test divider power high voltage divider

Huazheng HZJZ Oil Type Testing Transformer oil immersed hv test transformer ac dc hipot tester High Voltage AC Hipot Test System

Huazheng HZG dry type ac hipot tester Dry Type AC DC Withstand Test Set Dry Type High Voltage Testing Transformer

Huazheng HZQ gas type testing transformer Gas-immeresed Testing Transformer SF6 inflatable gas type hipot tester