DDSY23 has prepayment management and load control that pay of energy first & use it afterwards. It conforms the standards of GB/T 17215-2002 GB/T18460.3-2001.
Function:
This meter supports one meter with more cards and one card with more meters; however, it just receives the ruled legal card of internal system, and the out card cannot be used. This meter can be used in the hotels, schools, government organizations, business markets or public facilities where have many fluid people and uncertain users and it can also be used in agriculture irrigation. A cut-off function when power balance is little.