... kWh value, voltage, current,power,power factor, 2. Multi-tariff energy 3. RS485/Modb 3-phase panel mounted energy meter ... power, power factor, 2. Multi-tariff energy 3. RS485/Modbus Alibaba recommended produc Perfect, stability, Reliability Features:1. Suit for LV ... One RS485 communication port: support Modbus-RTU protocol ParameterAccuracyVoltage0.2%Current0.2%Power0.5%Power factor0.5%Frequency0 ...