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Accurate, rapid, temperature and liquid-level sensor for cryogenic tanksThermopiles measure ullage gas temperatures to within plus or minus 1.65 deg K between 20 and 300 deg K, and also serve as point liquid-level sensors. Thermopile technique measures smaller temperature differences by keeping the reference junctions inside the tank and near the temperature range of the measuring junction.
Document ID
19700000608
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
De Witt, R. L.
Stochl, R. J.
Terbeek, H. G.
Date Acquired
August 5, 2013
Publication Date
November 1, 1970
Subject Category
Physical Sciences
Report/Patent Number
LEW-11208
Report Number: LEW-11208
Accession Number
70B10628
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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