DTS7171 type electronic three-phase watt-hour meter is adopted latest microelectronic technology; used to measure active electric energy of three-phase A.C whole rated frequency is 50/60Hz, coordination meter age of positive and negative. This series Meter have tow mode of cut-over: cut-over directly andcut-over by mutual inductance electronics. The performance is in conformity with the technical requirements for three-phase Electronic Watt-hour Meter stipulated in GB/T 17215-2002 Class 1 and 2 Static A.C Active Watt-hour Meter standard.

1.Measure three-phase active electric energy, do not need calibrate for long-term operation;

2.Three phase power supply,, loss one (any one wire of three-wire) or two (any two wireof four-wire) phase, uninfected measurement;

3.Wide service temperature range;

4.Assuming function of defect phase indication or voltage indication.

5.Way of display: register, LCD, digital tube.

6.Remote interruption of power supply function.

7.Output interface Rs485.