communication way can be customized from: GPRS/CDMA,EPON optical fibre communication,10/100 Bast T internet

small size, low consumption, easy to install, reliable, no need maintenance

collecting and storing energy value, day frozen energy value and balance date frozen energy value 

concentrator can detect voltage deviation and voltage qualified rate and overrun rate function

timing acquisition: concentrator gathering directly by means of corresponding data of specified items

timing, automatic data collection: concentrator can be set according to the master station cycle to read meter 

automatically again calling: concentrator will read meter again if can not receive data in schedule time, once fail again, a time stamp will be generated, and report to the master station.