DDSF3 single-phase multi-rate meter is an ideal product for active energy measurement corresponding to different tariffs. It realizes data exchange via RS485 network or by HHU, and the data transmission protocol conforms to IEC1107. The meters have the characteristics of small size, beautiful shape, long life, high accuracy, low power consumption, strong anti-interference ability, etc., and conform to DL/T645-1997
1、Active energy measurement(forward & reverse);
2、Multi-tariff function: 4 tariff, 12 time periods(time interval＋5min.);
3、Memory storage: store energy data for all tariffs of 12 months;
4、Reverse pulse detection and indication;
5、Display model: scroll display or key display;
6、Communication interfaces: 1RS485 interface and 1 optical interface;
Latest programming time & date record, the times of programming record, meter parameter setting, running status ID reading.