This paper discusses new technology developments in carbon dioxide (CO2) detection using Non-Dispersive Infrared (NDIR) techniques. The method described has successfully been used in various applications and environments. It has exhibited extremely reliable long-term stability without the need of routine calibration. The analysis employs a dual wavelength, differential detection approach with compensating circuitry for component aging and dirt accumulation on optical surfaces. The instrument fails “safe” and provides the operator with a “fault” alarm in the event of a system failure. The NDIR analyzer described has been adapted to NASA Space Station requirements and a breadboard furnished under NASA contract NAS9-17612.


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    Title :

    New Advances in Non-Dispersive IR Technology for CO2 Detection


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Intersociety Conference on Environmental Systems ; 1988



    Publication date :

    1988-07-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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