CAN: Procurement of Repl SO2 NDIR Gas Analysers

The National Physical Laboratory (NPL) requirement is for replacement NDIR and paramagnetic sensor analysers, with the following capabilities: 1. Capable of measuring the following gases below their respective amount fractions: a. SO2 - 1 % b. O2 - 25 % c. CO - 5 % d. CO2 - 10 % 2. The analyser shall be CE/UKCA certificated. 3. There must be a datasheet, manual and user instructions 4. Analog output (4-20 mA or 0-10 Vdc) is required to allow connectivity to exiting automatic analysers and LabView integration. 5. Flowrate: ≤ 1 L min-1 6. Linearity error: ≤ 1.5 % of span 7. Repeatability: ≤ 1 % of span 8. The analyser must be suitable for 19" rack installation 9. Permitted pressure: 800 - 1200 kPa 10. Detection limit (4 σ): ≤ 1 % of span