... Toky DW9L series 3 phase multi-function power meter:1) To measure: Voltage, Current, Active Power, Reactive Power, Power Factor, Frequency ... Power;7) Transformed analog output 4-20mA for voltage, current, active power, reactive power, frequency, power factor;8) With RS485 ... RMS measure, accuracy class 0.5Frequency45-60Hz, accuracy 0.1HzPower Active / Reactive / Apparent power, accuracy 0.5%F.S.Energy ...