... 1036 international standard 3.RS485 output interface Good quality electric digital kwh meter Product brief introduction The DDS3666 type single-phase ... LSI, the device typifying new periphery component, simple structure, high reliability,low power consumption, long life etc, is suitable for ... Class 1 and 2 Static AC active Watt-hour Meter standard. Function: High accuracy: error<±1.0% 1st class(<±2.0% ...