1. Product Brief Introduction

The DDSY1334Type single-phase electronic pre-paid watt-hour meter is developed on the base of excellent single-phase electronic watt-hour meter. It is a new type of IC card pre-paid meter, which has such function as power metering, load control 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 single-phase electronic pre-paid watt-hour meter in the standard of GB/T17215-2002 Class 1 and 2 Static A.C Active Watt-hour Meter and GB/T18460-2001.

2. Function and Features

-Active single-phase electric power metering, no subject to adjust in terms of long working;

-Each user (meter) responds to a card, well protect from forgery;

-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, is should be auto cut-off;

-Protect form power theft, and recording the information auto;

-Auto cut-off for overload;

-Date-copying Function makes the electricity department easiest manage;

-The meter has the feature of long-using-life, high-reliable;

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

-Expansible RS485

3 Main Technical Date

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