DTSF722, DSSF722 Type three-phase electronic multi-rate watt-hour meter

DTSF722, DSSF722 Type three-phase electronic multi-rate watt-hour meter

1.       Production brief introduction

The DTSF722, DSSF722 Type three-phase electronic multi-rate watt-hour meter adopts the advanced special energy measuring chips and the multi-rate technology, using the date sampling and SMT technology. The product is designed and produced according to the practical situation of the dweller. All the elements inside the meter have the feature of long-life, high reliance. All the indexes of the meter accord with the standard of GB/T152842002 multi-rate(time-sharing) watt-hour meter and GB/T17215-2002 Class 1 and 2 static AC active watt-hour meter, the communication accord with DL645-1977 multi-function watt-hour meter communication rule.

2.       Function and features

-each of hour period has different rates (point period, peak period, smooth period and trough period). Every period of time can be programmed into 12 periods of time and the minimum time interval is five minutes

-all the consumption date can be reserved for 12 months

-the meter adopts the advanced energy measuring chips, high capability CPU and RTC clock chips

-recording the active electric quantity and the electric quantity under every rate, and reserved it

-high accuracy, sensitivity and reiability, wide overload endurance, low power consumption and light in weight

-auto accumulate and recording the working time of the battery

-display the present time, rate, total electric power and every rate electric power

-communicate agreement accord with DL/T645-1997

-it has pulse output communication, pulse width: 80ms more or less 20ms

-it adopts the password and program switch protection, recording the latest program time and degree

-it can setup the meter number, bureau number, time-period, rate, date, time, meter reading time, password and the initial electric power