... back-up of integrated energy data5. Large LCD, high brightness, auto-scrolling6. High accuracy, V or I is 0.2%, kWh ... <1VA (each phase)Voltage imdepance ≥ 300K Ω Voltage accuracy RMS measure, accuracy class 0.5Rated current value AC 0.025A -- 5ACurrent ... <20mΩ Current accuracy RMS measure, accuracy class 0.5Frequency45-60Hz, accuracy 0.1HzPower Active / Reactive / Apparent power, accuracy 0.5%F. ...