Wireless H/L Voltage Transformation Ratio Tester breaking through the traditional structure, specially designed and manufactured for online measurement of primary current and secondary current , transformer ratio, Angle difference, phase and polarity judgment of current transducer and transformer operating under 35KV.The instrument are composed of primary high voltage current pliers, primary low voltage flexible current pliers, secondary current pliers, main engine, high voltage insulation rod, monitoring software, communication lines, etc.This instrument is equipped with two types of primary current clamp: high voltage current clamp and flexible coil current clamp, which can deal with various of test places. The high voltage current clamp adopt wireless transmission to transmit test data, transmission distance 100 meters.