Model Number

DTSY121

Technique parameter

1.Precision:  1.0
2.Start-up current:  ＜0.4%Ib
3.Power  logic circuit with anti-potantial move
4.Data protection:protect the data more than 20 years after power cutoff.
5.Normal working temperature:  －10℃—— 45℃
6.Utmost working temperature:  －40℃—— 70℃
7.Meter constant:320imp/kw.h  160imp/kw.h 3200imp/kw.h


Performance feature

1.It adopts logic encrypted IC card as user electricity purchasing card, one card just for one meter, fake card is

completely avoided.
2.Display by both mechanical calculating device and numeral tube, with two alarm grade to remind purchasing electricity.
3.Two ways to control the overload cutoff, have a good self-checking fault function.
4.Embedded large power latching bi-stable relay is used to cut off the power supply directly.
5.It’s able to carry out self checkup current power is displayed when the card is inserted.