Profile: Wenzhou Meterking (kWh meter) Co., Ltd. supplies electronic kwh meters, mechanical kwh meters, prepaid kwh meters, multifunctional kwh meters, impulse mechanical kwh meters and meter boxes. Our DEM072 single phase mechanical watt hour meter is a kind of induction type meter, which measures active energy electric power consumption in rated frequency 50Hz and single phase AC electricity net. Our DEM031 single phase din-rail electronic watt-hour meter is a kind of new style single phase electronic multi-rate watt-hour meter, and energy data display, that adopts 7 digits wide temperature type crystal display, with many functions of multi-rate (time-of use) energy measurement, infrared carrier wave communication & RS485 serial port communication reading meter.