High accuracy, with low power factor(±1.15%when power factor is 0.008)；
Test data real-time uploading to cloudy database；
Wide measurement range 10V~200kV, √0.5A~4000A,40Hz~200Hz；
Low partial discharge；
Calibration port is reserved for calibration；
Manual/automatic shifting current & voltage taps；
Combined advantages and functions from the international transformer loss measuring system；
All the ratios can be shifted at load condition；
Good durability with insulation protection to 20kV level;
High accuracy at full measurement range of √ voltage and current taps;