power analyser measures volts,amps, active power,reactive power,power factor,Hz, kWh,kvarh,harmonic,RS485/Modbus, CE certify PMAC720 Multifunction Power Meter detailed description:Harmonic Power Analyser: Outstanding flexibility and accuracy designed to measure all electric parameters (3V, 3I, IN,3P, 3Q, 3PF, 3F, ±kWh, ±kvarh) in single and three phase system. It offer RS485 serial to link with ...