Type HCM090 single phase DIN kilowatt-hour meter is a kind of new style single phase electronic kilowatt-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 register or LCD display. It has following features: Good reliability, small volume, light weight, specious nice appearance, convenient installation, etc.