Home Products Applications Support Company Contact Us Applications Medical & Life Science Security Industrial Pollution Monitoring Oil Exploration Sorting Scientific Measurement Automotive Pollution Monitoring Nitrogen oxides are air polluting gasses emitted by car exhausts which can cause acid rain and other damage to the environment. In a NOx analyser a sample of exhaust gas is mixed with ozone, resulting in a chemiluminescent reaction. The light produced is measured by a photomultiplier tube and the concentration of the NOx gas is determined. Related Products Product Description 9202B Series 51 mm diameter, 11-stage, red/infra-red trialkali photomultiplier with plano-concave window. 9658B Series 51 mm diameter, 11-stage, red/infra-red trialkali photomultiplier with prismatic window. 9828B Series 29 mm diameter, 11-stage, red/infra-red trialkali photomultiplier with prismatic window. HV Bases Compact high voltage bases that operate from a low voltage supply. PDM03‑9107‑PD Rectangular module with 30 mm diameter blue bialkali 9107 photomultiplier and TTL output for monitoring PM2.5 and PM10 particles. PDM9107‑AN‑A Cylindrical module with 30 mm diameter blue bialkali 9107 photomultiplier, amplifier, active divider, and negative HV. ET Enterprises, Ltd. 45 Riverside Way Uxbridge UB8 2YF United Kingdom +44 (0) 1895 200880 et-enterprises.com ADIT Electron Tubes 300 Crane Street Sweetwater, Texas 79556 USA +1 (800) 399-4557 (US & Canada) +1 (325) 235-1418 aditelectrontubes.com About Us Products Applications International Contacts Exhibition Schedule Contact Us RMA Request Terms and Conditions Website Privacy Policy Facebook Twitter © 2021 ET Enterprises, Ltd.