Improved Metal Sheathed Thermocouples | Johnson Matthey Technology Review

1887

Volume 13, Issue 3

ISSN: 0032-1400

oa Improved Metal Sheathed Thermocouples

High Stability at High Temperatures
By A. S. D.
Source: Platinum Metals Review, Volume 13, Issue 3, Jul 1969, p. 93 - 94
DOI: https://doi.org/10.1595/003214069X1339394
- Published online: 01 Jan 1969

Abstract

Long-term calibration changes of rhodium-platinum thermocouples operating close to their maximum service temperatures are attributable to rhodium migration from the positive to the negative limb. In the metalclad thermocouple described here the effects of this phenomenon are considerably reduced by balancing the rhodium content of the sheath and of the thermocouple wires.

© Johnson Matthey

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1969-01-01

2024-12-22

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References

Johnson Matthey,
P. J. Skelton, 1969

/content/journals/10.1595/003214069X1339394

Improved Metal Sheathed Thermocouples

Platinum Metals Review 13, 93 (1969); https://doi.org/10.1595/003214069X1339394

/content/journals/10.1595/003214069X1339394

/content/journals/10.1595/003214069X1339394

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Article Type: Research Article

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