JYW6100 has widely test sector such as non-load loss, on-load loss, non-load current, on-load current, resistance voltage. Functions and Characters:JYW6100 has widely test sector such as non-load loss, on-load loss, non-load current, on-load current, resistance voltage, zero-sequence impedance, line voltage and phase voltage, effective and average value of voltage, three-phase voltage data such ...