Effect of Pressure on the emf of Chromel-Alumel and Platinum-Platinum 10% Rhodium Thermocouples
- 1 October 1970
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 41 (11) , 4552-4562
- https://doi.org/10.1063/1.1658495
Abstract
A differential technique has been used to measure the absolute effect of pressure on the emf of Chromel‐Alumel and Pt‐Pt10Rh thermocouples. The experiments were conducted in a solid pressure medium piston‐cylinder apparatus to 35 kbar and 1000°C. Extrapolation of these data shows Chromel‐Alumel to read as much as 28°C high at 50 kbar and 1200°C and Pt‐Pt10Rh as much as 28°C low at 50 kbar and 2000°C. Graphs are presented which show correction voltage versus temperature for various pressures.This publication has 8 references indexed in Scilit:
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