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DTSF726,DSSF726 Three-phase Electronic Multi-rate Watt-hour Meter
DTSF726,DSSF726 Three-phase Electronic Multi-rate Watt-hour Meter
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1. General

The DTSY726,DSSY726 type three-phase electric pre-paid watt-hour meter 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 ele ctrical energy to commercialize, setting charge and adjusting load stage in the electric network.

2. Functions and Features

2.1 Active three-phase electric power metering,no subject to adjust in terms of long working;
2.2 Three phase power supply can assure accurate metering in case of cut off in one line (each line of the three-phase & three-line)
or two lines(any two line of the three- phase & four-line);
2.3 Indicative function for phase loss or voltage indication;
2.4 The signal will display after it test;
2.5 Each user(meter) responds to a card, well protect from forgery;
2.6 Once the remanining electric power quality is approaching the alarming power quality, the digital tube should be lighted to
remind user of timely purchasing;

3. Specifications

Rated Current (A): 3×1.5(6), 3×5(20), 3×10(40), 3×15(60), 3×20(80), 3×30(100)

Rated Voltage (V): Three-phase three-wire 3×100V or 3×380V; Three-phase four-wire 3×220/380V or 3×57.7/100V

Rated frequency(Hz): 50 or 60

Accuracy Class: Class 1 or Class 2

Clock Error: ≤0.5sec/per day(reference temperature); ≤1.0sec/per day( the backup lithium battery working time)

Battery: Imported lithium battery, Voltage:3.0V or 3.6V. Capacitance≥1000mAh