Single-phase Prepaid Energy Â Meter
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This kind of watt-hour meter can be classified into two types: DDSY201 Single-phase Electronic Type Prepayment IC Card Watt-hour Meter and DDSY201F Single-phase Electronic Type Prepayment Contactless IC Card Watt-hour Meter.
The main difference of the two watt-hour meters is DDSY201F adopted RF IC Card technology and more advanced than DDSY201 and the technique parameters of the two watt-hour meter are the same.
Main Functions of Single-phase Prepayment Watt-hour Meter:
Single-phase prepayment watt-hour meter can supply electric power only after being prepaid by users firstly, one card for one household and one meter, and not interchangeable. When the electric power in the card is used up, the power will be cut off automatically, thus effectively avoid inconvenience of fee-charging. Meanwhile, the computer controls the electric power purchasing information of users, which is convenient for inquiring, summing up, fee-charging and bills printing, etc. The various technical parameters of single-phase prepayment IC card watt-hour meter are in accordance with standard of GB/T17215-1998 Grade A and Grade B Static AC Active Watt-hour Meter and the technical requirements for Prepayment Watt-hour meter. It adopts the most advanced IC card technology and SMT technology in China, with complete function of double display, precise measurement, stability, safe and reliable, low power consumption and is easy to operate.