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Fast-Response Oxygen-Monitoring and Control SystemOxygen sensor is Y2O3-stabilized ZrO2 ceramic disk maintained at 843 degrees C. Overall system response time reduced to about 0.2 second, equal to or less than 1 percent of tunnel run time. When test gas oxygen concentration differs from normal air concentration by 25 percent or more, alarm sounds, and emergency tunnel shutdown signal operates. New ZrO2 sensors intended for hypersonic-vehicle testing.
Document ID
19850000487
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Singh, J. J.
Davis, W. T.
Puster, R. L.
Date Acquired
August 12, 2013
Publication Date
March 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 4
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LAR-13257
Accession Number
85B10487
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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