... (1-4Ø ways)Total phase, A,B,C phase reactive power(1-4Ø ways)Total phase, A,B,C phase apparent power(1-4Ø ways)Total ... phase, A,B,C phase power factor(1-4Ø ways)Computation ... Total phase, A,B,C phase active energy(1-4 ways) Data acquisition Adopt RS485 digital ...