DW9 Digital power meter 1.Measure object : voltage, current, power, power consumption, ... phase 1.Features of DW9 three phase digital power meter : - Multi-function coulo-meter. - Measuring object: voltage, current, power, power ... .5KHzAccuracyPower/Power factor/Voltage:±0.5%F.S;Current: ±0.5%F.S;frequency:0~400Hz±HzAlarm output3 alarm output ... Analog Output , DW9 Three Phase Series Digital Power Meter