DSSY858/DTSY858 series three-phase electronic prepaid meter,conforms to standard of IEC 62053-21-2003,IDT,Using single chip process system to make data collect ,process and storage.
This product is applied to measure rated frequency 50Hz or 60Hz three-phase active electricity.
Main characteristic: applied to computer management,first pay then use. Within the rated current range,it can limit max using power rate (by power -supply department).One meter with one card for special using,and loss card can be reapplied without losing electricity. The card can bidirectionally transfer data. It can automatically cut power off to alarm user to purchase electricity. When the electricity is running off,it automatically breaks and cut power off. And it has certain antitheft function design.
This meter is suitable to ambient temperature -20°C~+50°C,relative humidity shall no more than 85%.