Details：Arc fault power;rectifier currrent measurement,insulator leakage current measurement,motor overload/short circuit protection ;

Grid harmonic monitoring ,active filter,large complex conductor ground fault monitoring ;

power fault indicator,transmission line power stethoscope,line spacing ranging,power frequency, mdedium frequency welding machine current;

medium and high voltage switchgear protection system,calcium carbide furnace,electric furnace transformer secondary side current measurement;

Capacitor discharge,lightning current detection;