... three-phase voltage, three-phase current, active power, reactive power, power factor. frequency and four-phase electricity energy. ... 2 times; Instantaneous: Voltage 2 times (10S)Power consumption<1VA(each phase)CurrentImpedance>300kΩRated valueAC1A,5AOverloadingContinuance ... electric energy measuring, accuracy class 0.5%Power supplyWorking rangeAC,DC 80V~270VPower consumption≤5VAOutputDigital valueRS ...