电能表的简称，是用来测量电能的仪表，又称电度表，火表，电能表，千瓦小时表，指测量各种电学量的仪表，分类-Short for watt-hour meter, is used to measure electric energy meter, also known as the meter, fire, watt-hour meter, kilowatt-hour table, the table refers to measure a variety of electrical instrumentation, classification