PARTIAL PRESSURE SENSOR
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Abstract
In a redox cell type of partial pressure sensor, in which an entrant gas, metered by passage through a diffusion barrier, is ionized by contact with an adsorbing catalyst in the presence of an electrolyte, the stability of calibration with time, and the speed of response to changes in partial pressure, are both improved by providing the catalyst as a minimally thick layer deposited upon a nonabsorbing metal, the combination being maintained at the face of the diffusion barrier.
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