... : - Multi-function coulo-meter. - Measuring object: voltage, current, power, power consumption, power factor, frequency, active energy, ... frequency,active energyDimension96H×96W×100LmmDirect input rangeVoltage:0~600V; Current: 0~5A, 0~10ATransformerPT/CT can be set freelyMeasuring frequency0 ... .5KHzAccuracyPower/Power factor/Voltage:±0.5%F.S;Current: ±0.5%F.S;frequency:0~400Hz±HzAlarm output3 alarm ...