DW9 Digital power meter 1.Measure object : voltage, current, power, power consumption, power factor, ... phase 1.Features of DW9 three phase digital power meter : - Multi-function coulo-meter. - Measuring object: voltage, current, power, power consumption, power ... supply: AC 90~260V 50/60HZ, power consumption<5VA. - Applications: applied in electrical power systems for auto control, e. g.: single/three ...