1.概述

     DTSY型 IC 卡预付费三相四线有功电能表是采用大规模专用单片机电器和高可靠的电子元件设计，外围元件少，结构简单，可靠性高，功耗低等特点。

2.功能及特点

    产品软、硬件设计思想独特，无死机、丢失数据现象，系统具有高抗干扰、高过载、高可靠性、长寿命的性能。本表使用 IC 卡，读写速度快、方便可排，使用寿命可重复十万次以上，在电网大波动条件下，仍然可正常工作（至少在 65%--135% 额定电压下可正常工作），在缺相情况下，预付费功能正常动行。

3.规格

1. Product Introduction

The DTSY Three-phase electronic prepaid watthour meteris a new type of IC card pre-paid meter,which has such function as power metering,load controal and customer information management.It is an 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 specifications aiming to the three-phase electronics pre-paid watt-hour meter in the standard of GB/T 17215-2002 Class 1 and 2 Static A.C Active Watt-hour Meter and GB/T 15460-2001. This series electronic watt-hour meter has two ways of wiring:Direct wiring or wiring by current transformer.

Used to measure active energy,can normally work over long time without adjustment;

Prepaid by IC card;

Indicative function for phase loss or voltage indication;

One meter one card,with good anti-counterfeit feature;

Low energy alarm;

Overload alarm,auto power shut off due to continuous overload,and recording overload