Single-phase prepaid watt-hour meter

DDSY34 type 1-phase electromic prepaid watt-hour meter is update type one,researched by new technology microelectronics .It is used to measure the energy of 1-phase,50Hz alternative current active the same time,it realizes the function of management of advance payment of electric charges before using,and the load controlling .It is an ideal product that is in reforming the electric usage system, commercializing of electric power,and can efficiently control and regulating electric network load.

FUNCTIONS&CHARACTERS

metering 1-phase active power,no subject in terms of long time working

Proect from power theft, and recording the information auto

Each user(meter) responds to a card, well protct from forgery.

Charge prepaid by IC card ,buying befor using,cut-off without payment

The warning given near the end of using up,to remind the user to prepay in time

Optional electric load ,auto cut-off as overload

LED display,clearly and directly

The PC software has the function as power selling and using control.

Expansible RS485 and infrared

TECHNICAL SPECIFICATIONS

accuracy class 1.0

reference voltage 230 V

basic current1.5(6)A, 5(20)A,10(40)A, 20(80)A, 30(100)A,10(60)A

reference frequency 50Hz

allowed power-off time 10 years

consumption in normal voltage circuit operatingIC card