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Cryogenic Multichannel Pressure Sensor With Electronic ScanningArray of pressure sensors operates reliably and repeatably over wide temperature range, extending from normal boiling point of water down to boiling point of nitrogen. Sensors accurate and repeat to within 0.1 percent. Operate for 12 months without need for recalibration. Array scanned electronically, sensor readings multiplexed and sent to desktop computer for processing and storage. Used to measure distributions of pressure in research on boundary layers at high Reynolds numbers, achieved by low temperatures.
Document ID
19940000485
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hopson, Purnell, Jr.
(NASA Langley Research Center, Hampton, VA.)
Chapman, John J.
(NASA Langley Research Center, Hampton, VA.)
Kruse, Nancy M. H.
(NASA Langley Research Center, Hampton, VA.)
Date Acquired
August 16, 2013
Publication Date
September 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 9
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
LAR-15062
Accession Number
94B10485
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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