Power meter is designed for power system, industrial and mining enterprises, public facilities, intelligent building power monitoring needs. It can measure all the commonly used power parameters, including current, voltage, frequency, power factor, active power, reactive power, active power, reactive power, etc., with switch two input and output, power pulse output and RS485 communication interface, can achieve remote transmission of data. And optional analog output, harmonic content analysis, multiple rate power statistics, event recording and other functions; The products are widely used in energy management system, substation automation, distribution network automation, community power monitoring, industrial automation, intelligent building, intelligent switchboard and switchgear.