... single or 3 phase,total 28 electrical parameters, 4 alarms 4-20mA transmitter RS485 modbus protocol. DW series True Value Display ( ... , active power, reactive power, power factor, frequency, Kwh, etc. Total 28 electrical parameters; PT and CT value can be set ... and measurement field, such as machinery, electrical cabinet, power sub-station, industrial automation, etc.. In addition to supply MYPIN brand ...