normal and prepaid Ultrasonic Gas Meter

Operation Pressure Range: 0.5 10kPaMaterial: AluminiumPressure Loss: ≤250PaWorking Temperature: -20 50Storage Temperature: -20 60Relative Humidity: ≤93%Display Mode: LCDCenter Distance: 130mmScrew Thread: M30 x 2The 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.