Overview Generator Rotor AC Impedance Testing Instrument is a special instrument for determining whether the turn-to-turn short circuit exists in the generator rotor winding, and can manually and automatically unidirectionally or bidirectionally measure many parameters of the generator rotor such as voltage, current, impedance, power and rotating speed.Generator Rotor AC Impedance Testing Instrument is the latest enhanced AC impedance tester launched by our Company. The instrument adopts the state of the art high speed microprocessor technology with more powerful functions, preferable performances and more convenient use. The Tester has a series of characteristics such as high reliability, easy operation, high test precision, being compact and lightweight and etc., and currently is in the domestic leading level. Major Technical Indicators Temperature 5 C 40 C Relative Humidity 0 1 FS2d Cos 0.1 0.5 FS2d 1kW 72KW 0.1 Cos 0 1 FS2d Cos0.1 0.5 FS2d Frequency 40-75HZ 0.2 Volume 415 225 200mm