DDSY722 Type single-phase electronic prepaid watt-hour meter (CPU type)

DDSY722 Type single-phase electronic prepaid watt-hour meter (CPU type)

1.       Application

DDY722 type single-phase electronic prepaid watt-hour meter (CPU type) is the new intelligent adopting an international advanced micro-chip which has the funciton of infrared communication, relay control; with the advanced mirco-processor as the core, with digital measurement chip, high integration, high measurement accuracy, high security and small power consumption etc.

IC card watt-hour meter adopted to CPU card of key-control. CPU card when reading data, it must be attested by key, with the purchasing electricity, to realize function of prepaid watt-hour meter. Alarming, reminding of uses to purchase. With the infrared remote

2.       Function

-bid-directional measurement of single phase AC active electricity energy

-LCD display with trichrome light

-one card one meter

-CPU card conforms to each province requirement

-load control, over-load switching automatically

-alarming electric quantity, pulse indication light and alarming indication light

-485 interface

-multi-rate function

-data preserved for over ten years without battery when interrupting

-customize according to consumers.