Energy Meter, Kwh Meter, Power Meter manufacturer / supplier in China, offering Modbus RS485 Single Phase Electric Energy Meter Kwh Meter, 2018 Newest Pzem-017 DC 0-300V Electric Solar Power Energy Meter RS485 with 50A Shunt +USB, 2018 Newest Pzem-017 DC 0-300V Electric Smart Energy Meter RS485 with 100A Shunt +USB and so on.