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New high-temperature noble-metal thermocouple pairingA new thermocouple pairing was formed by combining thermocouple elements from two existing commercially available thermocouples to form a new combination (Ir-40 Rh/Pt-40 Rh) thermocouple. The output of this new pairing is nearly linear with temperature, and approximately equal to the output of one of the originating pairs (Ir-40 Rh/Ir), and more than double that of the other pair (Pt-40 Rh/Pt-20 Rh). This new pairing was evolved during a search for a noble-metal thermocouple combination which could operate above the temperature limit of a Pt-13 Rh/Pt thermocouple and have a higher oxidation resistance than an Ir-40 Rh/Ir thermocouple.
Document ID
19750057663
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1063/1.1134413
Authors
Glawe, G. E. (NASA Lewis Research Center Instrument Development and Applications Office, Cleveland, Ohio, United States)
Date Acquired
August 8, 2013
Publication Date
August 1, 1975
Publication Information
Publication: Review of Scientific Instruments
Volume: 46
Subject Category
Instrumentation And Photography
Accession Number
75A41735
Distribution Limits
Public
Copyright
Other

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