1.Flow range(m2/h):1-160
2.Accuracy : Class B
3.Applicable basic meter : Dangdong  Chongqing
4.Applicable card : ATMEL 1608
5.Total pressure adsorption: ≤30KPa
6.Ambient tempreture : -10 -40
7.Relative humidity : 93
8.Material of basic meter : Aluminum
9.Explosion class: Exib II BT3
10. Display manner : LCD &Register
11. Power supply : 1set of Li- battery
12. Working voltage : DC 3.0V
13. Static current: <5 μA
14. Max.instant current:<126mA
15. Space between centers of connecting :320
16.Connection method of gas entrance:Screw thread
17.Connection method of gas exit:Screw thread
18. Packing : 1pcs/wooden case

Integrate design is adopted,card inserting place and battery are equipped right ahead of the meter so that they are easy to be installed and used;

The function of closing valves during idle time:Prevent the basal meter from ventilation when it is blocked;

The function of self-checking of valves:Prevent the basal meter from being blocked when it is not used for a long time and clear the mechanical faults of valves;

Control plan for pulse error:Double tongue tubes are adopted for reading,control module can inspect the breaking and damaging of thread automatically,the valves can be closed automatically.