... of testing requirements. We can supply complete system for partial discharge testing including shielded room for up to 500kV cables. We can also ... supply other testing equipment for AC withstand test, impulse test, heat cycle test, tan delta etc.This system is developed from ... locating:≤±2.5m(±1%) Accuracy of voltage measurement:≤±3%The system has the function of timer, ARC detector, interlock, over ...