ype DEM011e single phase DIN watt-hour meter is a kind of new style single phase electronic watt-hour meter, the meter completely accord with relevant technical requirements of class 1 and class 2 single phase energy meter stipulated in National standard GB/T17215-2002 and international standard IEC61036. it can accurately and directly measure active energy consumption from single phase AC electricity net., it can display total energy consumption by step type impulse registerorLCD display. It ha