... automatically detect 3-phase voltage, current, active power, inactive power, apparent power, power factor, frequency, run time, total energy ... of voltage, current and frequency, 3-phase power & power factor in each steps. Fluctuation test: according ... of AC voltage regulator, inverter, switching power supply.Specifications:TypeIAC-380-200KWLoading Power(constant adjustable)0~200KWPower FactorTest ...