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Gauge calibration by diffusionVacuum gage calibration by diffusing a known quantity of gas through a heated barrier into a gauge is examined. The gas flow raises the pressure in the gauge to known level and is then compared with the gauge's pressure reading.
Document ID
19730021658
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Brock, F. J. (National Research Corp. Cambridge, MA, United States)
Feakes, F. (National Research Corp. Cambridge, MA, United States)
Date Acquired
September 2, 2013
Publication Date
August 6, 1968
Subject Category
Instrumentation And Photography
Report/Patent Number
Patent Number: US-PATENT-3,395,565
Patent Number: NASA-CASE-XGS-07752
Patent Application Number: US-PATENT-APPL-SN-533659
Accession Number
73N30390
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-3,395,565|NASA-CASE-XGS-07752
Patent Application
US-PATENT-APPL-SN-533659

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