Electronic energy meter
Source of articles： Release Time：2020/1/17 9:40:00
Electronic watt hour meter is a kind of physical instrument which processes and multiplies the sampled voltage and current signals into a pulse output which is proportional to the electric energy by real-time sampling of the user's supply voltage and current, using a special integrated circuit of watt hour meter, and displays them through a meter or digital display.
Source: Baidu Encyclopedia https://baike.baidu.com/item/%E7%94%B5%E5%AD%90%E5%BC%8F%E7%94%B5%E8%83%BD%E8%A1%A8/5567989
