three-phase multi-rate electronic energy meter

DTS876 meter is three-phase multi-rate electronic energy meter, for measurement and registration of active energy, reactive energy and active demand. The meter is mainly intended for large and medium size commercial and industrial customers.
Specifications:
1.Accuracy class: Active 0.5 1.0 Reactive 2.0
2.Reference voltage: 3?20/380V(four-wire)
3.Reference/Rated current: 3?(10)A, 3?5(30)A, 3?0(60)A, 3?0(90)A, 3?(100)A
4.Rated frequency: 50Hz
5.Starting current: CT connection--Active 0.001In (class 0.5) 0.002In (class 1.0)Direct connection--0.004In (class 1.0),
6.Potential: With anti-potential logic design
7.Profile size: 278mm¢¡174mm¢¡77mm
8.Weight: Approx. 2.4kg
9.Electric parameters:
Normal working voltage: 0.9Un¢£1.1Un
Limit working voltage: 0.75Un¢£1.15Un
Voltage circuit power consumption: ?W or 5VA
Current circuit power consumption: ?VA
Voltage of battery for data storing: 3.6VDC
10.Tariff working parameters:
Clock accuracy: ?.5s ( every 24 hours)
Battery capacity: ?000mAh
Battery life: ?0 years (using new battery)
Tariff: 4
Time Zone: 4
Time Segment: 10
11.Climatic conditions:
Normal working temperature: -20üÉ?50?
Limit working temperature: -30üÉ?60?
Storage and transport temperature: -40üÉ?70?
Storage and transport humidity: ?5%
12.Technical parameters:
Display Type: LCD
Communication baud rate: 300bps~9600bps
Communication Protocol: IEC1107
Communication interface: RS232/485, Optical