Single-phase electronic watt-hour meter annual demand

Seventies of the twentieth century, began to develop foreign electronic meter, but by the time constraints of electronic technical level, the first single-phase electronic meter for standard tables. With the rapid development of electronic technology,  Voltage stabilizer  device performance in the eighties has been a qualitative leap in the production of electronic watches abroad has made substantial progress. China in the early  Circuit breaker a spreadsheet, since 2000, the domestic single-phase electronic watt-hour meter annual demand is about more than 1700 ten thousand, accounted for almost a third of the meter market, exports also presents strong growth trend.