... 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 measurement, two RS485 communication are supported* Power supply: 85~265VAC, or 80~300VDC*Programmable ...