1)3*220/380V
2)Accuracy class: 2.0
3)1.5(6), 3(6),2(8)A, 2.5(10), 3(12)A, 5(20), 10(40), 15(60), 20(80), 30(100)
4)ISO, CCC

The DTSF1777 type Three-phase Electrionic Mulit-rate watt-hour meter adopts the advanced special energy measuring  chips  and the  multi-rate technology,using the dat sampling and  SMT technology. The product is  designed and  produced  according to the  practical situation of the dweller.All the  dexes of the meter accord with the standard of GB/T15284-2002multi-rate(time-sharing) watt-hour Mter,and GB/T17215-2002Class 1 and 2 StaticA.C Active Watt-hour Meter,the communication accord with DL645-1997Multi-function Watt-hour Meter Communication Rule.

Function and Features

1.Each of hour periods 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;

2.All the consumption dat can be reserved for 12 months;

3.The meter adopts the advanced energy measuring chips,high capability CPU and RTC clock chips;

4.Recording the active electric quantity and the electric quantity under every rate,and reserved it;

5.High accuracy,sensitivity and reliability,wide overload endurance,low power consumption and light in weight;

6.Auto accumulate and recording the working time of the battery;

7.Display the present time,rate,total electric power and every rate electric power;

8.Communicate agreement accord with DL/T645-1997;

9.It has pulse output communication,pulse width;80ms±20ms;

10.It adopts the password and program switch protection,recording the latest

     program time and degree;

11.It can setup the meter number,bureau number,time-period,rate,dat,time,

     meter reading time,password and the initial electric power.