3 Phase voltage meter 1. Multi function LCD Meter 2. 3 Phase Voltmeter 3. 0.5%FS accuracy, RS485 communication 4. CE, ISO Toky DW9L series 3 phase multi-function ... power meter:1) To measure: Voltage, Current, Active Power, Reactive Power, Power Factor, Frequency (Hz), Kwh, 4 Quadrant ...