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1. prepayment tri-phase contactless IC card electric meter

DTSY96 is used for measuring tri-phase 4-line active power, and DSSY96 is used for measuring tri-phase 3-line active power. It adopts advanced IC card techniques, the user buy electric power and transmit the data of purchased amount into the ...

2. prepayment single-phase contactless IC card electric meter

Single-phase electronic type prepayment IC card watt-hour meter can supply electric power only after being prepaid by users, one card for one user and one meter, and not interchangeable. When the electric power in the card is used up, the power ...

3. prepayment contactless IC card water meter

The intelligent water meter has the function of automatic fee -charging. The user paid to the water administrative department in advanced, the staff of the water administrative department inputs the data of purchased water volume into the IC ...