... Can test the three~phase AC voltage, current, phase between voltage, phase between current, phase between voltage¤t, frequency, phase, active ... amplitude when testing the phase frequency200mA±10mA2mA~20A/Voltage amplitude when testingthe phase frequency100V±20V10V~600V/Current ... amplitude when testing the power factor200mA±10mA20mA~20A/Voltage amplitude when testing the power factor100V±20V10V~600V/ ...