... can collect the data about three-phase voltage, active power and reactive power. High performance industrial product;Standard Modbus RTU protocol;RS232 ... parameters include: three-phase ac voltage data, current data, active power, reactive power, power factor, zero sequence current, zero sequence voltage;2. 3 ... ,IB,IC,PA,PB,PC,QA,QB,QC,P,Q,F,COS,3I0,3U0 Data Renovation Speed: 40MSPrecision: 0.5%Direct ...