1.pressure sensor for CNG 2.ISO9001:2008 3.Certificate of Utility Model Patent ... of CNG vehicles, fixed on the intake valve between cylinder and pressure regulator to show the pressure of natural gas in ... ,5, BSP, NPT, BS, UN...7. Ambient Temperature: -10~70°C 8. Relative humidity: ≤80%9. Wire connection: white wire ,output ... lens, glass lens or acrylic lens 50mm bourdon tube pressure sensor for CNG/LPG