The DDS5558 type electronic single-phase watt-hour meter adopt exclusive use LSI,the device typifying new periphery component,single structure,high reliablity,low power consumption,long life etc,is suitable for the single-phase AC active electric energy with rated frequency of 50hz .The performance is in conformity with the technical requirement for single-phase electronic watt-hour meter stipulated inGB/T17215.321-2008 class 1and 2 static AC active watt-hour meter standard

function and feature

1.Measure active electric energy,do not need calibrate for long-termoperation

2.Adopt the special chip of measurement ADE7755

3.Adopt the latest oversea electronic energy special integration circuit greatly improved dynamic working range of meter:to make the ablity of actual overload up to over 10 times.

4.Have good mistake linearity in the range of 5%Ib~Imax

5.Few periphery componments,simple structure,low power consumption

6.Adopt high reliability and long life electronic components,so the meter assume feature of high reliablity