DDSY3333 electronic single-phase prepaid watt-hour

DDSY3333 Electronic single phase prepaid watt-hour meter Descriptions of Goods: It is developed on the base of excellent performance electronic single energy meter. As an new type of IC card prepaid meter, it has a lot of advantages, such as electrical energy measuring, load control and mangerment of user information. Each performance index are in compliance with GB/T17215.321-2008 1.0&2.0 Class static A.C active watt-hour meter and GB/T18460.3-2001. Fuctions and features: 1. Measure active electrical energy and no need to calibrate after long time working. 2.Each meter with one IC card, is of good anti-fake. 3. The LED will flash when the residual electricity equals to the alarming electricity quantity and remind the user the purchase in time. DDSY3333 Electronic single phase prepaid watt-hour meter