NASA Technical Reports Server (NTRS) : The pdf

NASA Technical Reports Server (NTRS) : The

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A program to determine the feasibility of performing in situ calibration of combustible gas detectors was successfully completed. Several possible techniques for performing the in situ calibration were proposed. The approach that showed the most promise involved the use of a miniature water vapor electrolysis cell for the generation of hydrogen within the flame arrestor of a combustible gas detector to be used for the purpose of calibrating the combustible gas detectors. A preliminary breadboard of the in situ calibration hardware was designed, fabricated and assembled. The breadboard equipment consisted of a commercially available combustible gas detector, modified to incorporate a water vapor electrolysis cell, and the instrumentation required for controlling the water vapor electrolysis and controlling and calibrating the combustible gas detector. The results showed that operation of the water vapor electrolysis at a given current density for a specific time period resulted in the attainment of a hydrogen concentration plateau within the flame arrestor of the combustible gas detector

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 7/1/1976
• Year: 1976
• Book Topics/Themes: NASA Technical Reports Server (NTRS), BREADBOARD MODELS, ELECTROCHEMISTRY, ELECTROLYTIC CELLS, GAS DETECTORS, CALIBRATING, COMBUSTION, ELECTROLYSIS, HYDROGEN, WATER VAPOR, Shumar, J. W., Lantz, J. B., Schubert, F. H

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