... , ISO Toky DW9L series 3 phase multi-function power meter:1) To measure: Voltage, Current, Active Power, Reactive Power, ... voltage <1VA (each phase)Voltage imdepance ≥ 300K Ω Voltage accuracy RMS measure, accuracy class 0.5Rated current value AC 0.025A ... times Instantaneous: 10 times/10SConsumption of current <0.4VA (each phase)Current imdepance <20mΩ Current accuracy RMS measure, accuracy class 0. ...