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DDSY722 type Single-phase electronic prepaid watt-hour meter
1.Product Brief Introduction
The DDSY722 type single-phase electronic pre-paid watt-hour meter is develop-ed 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 specificati-ons aiming to the single-phase electronic pre-paid watt-hour meter in the standard of GB/T 17215.321-2008 Class 1 and 2 Static A.C Active Watt-hour Meter and GB/T 18460-2001.
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 quantity is approaching the alarming power quantity, the digital tube should be lighted to remind user of ti-mely purchasing;- Once the electric consumption available is out, it should be auto cut-off;- Protect from power theft, and recording the information auto;- Auto cut-off for overload;- Date-copying function make the electricity department easier 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 Data
DDSY722 type Single-phase electronic prepaid watt-hour meter