DEM011 energy meter 1.Good relibility,small volum.specious appearance. 2.DIN rail instrument. 3.convenient installation. DEM011 energy meterapplicationType DEM011 single phase DIN watt-hour meter/kmh meter is a kind of new style single phase electronic watt-hour meter,the meter completely accord with relevant technical requirement of class I and class 2 single phase energy meter stipulated in ...