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Single-Phase Static Multi-Tariff Prepayment Meter
Main technical index:1) Model: DDSYF2002) Accuracy class: 1.03) Current specifications: 10(40)A4) Rated voltage: 220V5) Limited voltage: 70% ~ 120% Un6) Rated frequency: 50Hz7) Tolerant surge voltage: 6kV8) Pulse output function: power departments can conveniently detect watt-hourmeter`s pulse from the outside of meter9) Operation temperature: -25 ~ +55oC10) Relative humidity in operating mode:oC11) Pulse constant: 1,600imp/k Wh12) Battery life: 10 years13) Clock accuracy: ±0.5s/d, 0.1s/doC14) Communication speed: 1,200bps15) Communication distance:a) IR: 3mb) RS485: 1,200m16) Pulse output width: 80±20msMain functions:The corresponding electric energy registers, which are E1, E2, E3 and E4 respectively. When the actual rate quantity is less than four, the corresponding electric energy values under those rates can be shielded from displaying.Power consumption control function:Through adopting IC card, the power consumption data of users and control information of electricity selling system can be mutually transmitted between the meter and electricity selling system under power supply management departments to realize the functions of meter reading and electricity charge payment. When the available electric quantity in the meter is consumed, the meter will automatically turn off power; only when the users pay off electricity charge, and the new available electric quantity in IC card is input into the meter, can the meter resume to supply power.
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