DDSF726 Single-phase Electionic Multi-rate Watt-hour Meter

1) DDSF726 Single-phase Electionic Multi-rate Watt-hour Meter 2)Output:2000pcs/day 3)CE,CB,ISO9001,14001,IEC 4)OEM

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

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;

Specifications

Rated current (A)	5(30),10(60),15(60),20(80)
Rated voltage (V)	220
Rated frequency (Hz)	50 or 60
Accuracy class	Class 1 or class 2
Clock error	≤0.5sec/per day(reference temperature);≤1.0s/ per day(the backup lithium battery working time).
Battery	Imported lithium battery: Voltage: 3.0V or 3.6V. Capacitance≥1000mAh

DDSF726 Single-phase Electionic Multi-rate Watt-hour Meter