DW9 Digital power meter 1.Measure object : voltage, current, power, power consumption, power ... phase 1.Features of DW9 three phase digital power meter : - Multi-function coulo-meter. - Measuring object: voltage, current, power, power consumption, ... RS485 AV/AA/DA/AA input 96H×96W×100Lmm DW9-IR 4~20mA (0~20mA, 0~10V) 1 alarm WithoutAV ... Without Analog Output , DW9 Three Phase Series Digital Power Meter