China CNC DDSF726 Single-Phase Electronic Multi-Rate Watt-Hour Meter

DDSF726 Single-phase Electronic Multi-rate Watt-hour Meter
Key Words: Watt Hour Meter, Kilo Watt Hour Meter, Kwh, Single Phase, Muti-Rate, Electric Meter, Power Meter, Energy Meter, electronic meter
1. General
The DDSF726 type electronic single-phase multi-rate watt-hour meter is composed by the electronic single-phase watt-hour
Meter part and multi-rate part, LCD display, infrared or RS485 communication. It has high measuring accuracy, well stability, well
Over-load ability and high reliability. It can measure the time-sharing single phase
2. Function and features
2.1 Each of four periods has different rates (point period, peak period, smooth period and trough period). Every period of time can be programmed into 12 periods of time and the minimum time interval is one minutes;
2.2 All the consumption date can be reserved for 12 months;
2.3 It can auto identify the directional, will be auto save and accumulate to the forward direction power counter. It can automatically save the reverse direction power, starting time and the total time;
2.4 It has the function of reverse directional pulse test and indication;
2.5 It has the isolated RS485 communication, and design for prevent from the lightning strike;

Rated current (A)
3X1.5(6), 3X5(20), 3X10(40), 3X15(60), 3X20(80)
Rated voltage (V)
3X220/380
Rated frequency (Hz)
50 or 60
Accuracy class
Class 1 or class 2