Support China Southern power grid《Q/CSG11109006-2013 Metering automation terminal structure specification》、《Q/CSG11109007-2013 Transformer terminal unit technical specification》
Centrally meter-reading of low-voltage users; processing and uploading of energy meter data， voltage qualification rate collection at user side; Total three phase voltage qualification rate reading
Electrical power quality monitoring, voltage monitoring meet the requirements of DL/T500-2009
Statistic of harmonic ratio and total harmonic distortion.
Statisticof voltage and current unbalance factor over-limit. Demand calculation, voltage reverse phase sequence, current reverse polarity judgment; Separate-phase power evaluation of distribution transformer
Communication with master station; password protection; measuring equipment alarm, abnormal power-using alarm, remote signaling switch status, power-on  and power-off alarm, communication flow over-limit alarm
Modular structural design of communication part; standardly equipped with Ethernet port，Support reactive power compensation module; Support RS-485 interface for reactive power compensation; Equipped with RS-232 maintenance interface.
Remote communication channel support GPRS、CDMA、4G,etc
Local communication channel supportRS-485, low-voltage power line carrier communication, etc.
Technical Parameters：
Communication protocol：《Q/CSG11109004-2013 Metering automation terminal uplink communication protocol》、DL/T645-1997/2007《Communication for Multi-function Watt-hour meter》、IEC-62056
Working power supply：3*220V/380V±30％（optional 3*57.7V/100V、3*100V）
Alternating current：1（10）A（optional 1.5（6）A、5（10）A、5（30）A、10（60）A、20（80）A）
Energy Measuring accuracy：Active 0.5、reactive 1
AC sampling accuracy：Voltage≤0.5％、Current≤0.5％
Working environment：Temptature-45℃～+75℃，Relative humidity≤100％
Power consumption≤5W/10VA
Storage capacity：128MB
Startup time≤5s
Service life≥10 years