Harmonic Power Clamp Meter FeaturesMeasuring Voltage,Current,Voltage/Current peak,effective/reactive/apparent power(Single-phase or 3-phase),power factor,reactivity,phase ... angle,frequency, phase detection(3-phase),voltage/current harmonic levels( ... 5V AAA Dimensions208mm X 78mm X 35mm Weight350g MS2208 Harmonic Power Clamp Meter