... three-phase voltage, three-phase current, active power, reactive power,apparent power,power factor,freque Description: Intelligent digital instrument be ... -phase voltage, three-phase current, active power, reactive power,apparent power,power factor,frequency.Measure the direct and the ... RH-3D8√ 1√ 45*45 29.SINGLE-PHASE MULTI FUNCTION POWER METER ModelDisplay ModeFace Frame SizeHole SizemmmmRH-D1Single ...