DDSYF722 Type single-phase electronic prepaid time-sharing watt-hour meter

DDSYF722 Type single-phase electronic prepaid time-sharing watt-hour meter

1.       Production brief introduction

Single-phase electronic prepaid time-sharing watt-hour meter is a new type of IC card pre-paid tim-sharing meter, which has such function as power time-sharing metering, load control and customer information management. It is and ideal product when reforming electric-use system, achieving electrical energy to commercialize, setting charge and adjusting load stage in the electric network. All the indexes comply with the technological specification aiming to the single-phase electronic prepaid time-sharing watt-hour meter in the standard of GB/T18406. 3-2001 and GB/T1217-2002.

2.       Function and features

-each meter responds to a card, well protection from forgery; date-copying function make the electricity department easier to manage

-once the remaining electric power quality is approaching the alarming power quality, the digital tube should be lighted to remind user of timely purchasing

-once the electric consumption available is out, it should be auto cut-off, auto cut-off for overload and convenient for electric department actualize add the capability; the relay has feature of high power an dlow consumption

-the IC card power selling control system has the function as power selling and using control

-each of four periods has different rates (point period, peak period, smooth period and trough period). Every period of time can be programmed into 10 periods of time and the minimum time interval is one minute

-the watt-hour meter displays the electric quantity via digital-tube, threre are six digits in total, five digits are integration, and one digit is decimal. There are six digits are integration and two digits are decimal in the interior of the meter, so, it will be displayed 8 digits when copying to the hand computer and 485.

-all the data were protected from the password and the hardware; read the data directly via LED

-the meter has a reliable clock, the life of the clock is as long as the battery when the low backup current