DSSY7999 Three-phase Prepaid Watt-hour Meter

PRODUCT BRIEF INTRODUCTION
 
DSSY7999 Three-phase Electric Prepaid Watt-hour Meter is a new type of IC card prepaid meter, which has such functions as power metering, load control and customer information management. It's an ideal product to reform the power system, commercialize energy, solve energy charging problems and adjust the load state. This series electronic watt-hour energy meter has two ways of wiring: Direct wiring or wiring via current transformer. Every performance index of the product is in conformity with the technical requirements for single-phase electronic prepaid watt-hour energy meter
stipulated in GB/T 17215.321-2008 Class1.0 and Class 2.0 Static AC active watt-hour energy meter standards and GB/T18460-2001.
 
FUNCTION FEATURES
*Measuring three-phase active energy, no need to recalibrate for long-term operation ;
*Three-phase power supply can assure accurate metering in case of cut off in one line(either line of the three-phase three -wire energy meter) or two lines ( either two lines of the three-phase four-wire energy meter) ;
*Output testing signal;
*Each user (meter) responds to a card, well protected from forgery;
*Once the remaining power is approaching the alarming value, the LED will light to remind the user of timely purchasing;
*When the remaining energy is 0, the meter will switch off automatically.
*Power will be cut off automatically under overload for the convenience of capacity enlargement by the power Institution.
*Wite-back function makes the power institution's management easier.
*The exclusive IC card power selling management system has completed function of energy selling and energy-using supervision.
*Extensible RS485.

MAIN TECHNICAL DATA


LCD-LK-02


OUTER AND MOUNT DIMENSION



 
 

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