... the following parameters of transformer at power frequency: No-load current, no-load loss, etc.l For load test, our ... load or no-load test of three phase transformer, the instrument can judge its connections is right or not automatically, and display vector diagram of ... 0.1),±1.0%(0.020.1) ² Voltage:0~700V,accuracy, 0~100V,±0.2%FS, 100~700V,±0.2%; auto range ² Current:0~100A,accuracy, 0~10A,±0 ...