An Investigation of the Thermoelectric Properties of Type S, Type R and Pt/Pd Thermocouples in Eutectic Fixed Points

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Vol. 223, Issue 7, July 2018, pp. 39-45

An Investigation of the Thermoelectric Properties of Type S, Type R and Pt/Pd Thermocouples
in Eutectic Fixed Points

¹ Yasser A. Abdelaziz, ¹ F. M. Megahed, ² H. M. Hashem, ¹ M. M.Abdel-Aal and ² M. Hammam

¹ National Institute for Standards, Giza, Egypt
² Department of physics, faculty of science, Helwan University, Egypt
¹ Tel.: +201005790620, fax: +202 33867451

E-mail: yasserabdelfatah@yahoo.com

Received: 3 July 2018 /Accepted: 27 July 2018 /Published: 31 July 2018

Abstract: This work presents an investigation of the thermoelectric properties of the Type S, Type R and Pt/Pd thermocouples up to high temperature using eutectic fixed points, including evaluation of the fixed-points EMF, thermoelectric inhomogeneity and repeatability of these thermocouples. All used thermocouples were assembled and prepared using NIS-Egypt capabilities according to the international recommendation. This work can provide information either on the behavior of the mentioned thermocouples at high temperature eutectic fixed points using and its proper usage for the precise measurement of temperature in this temperature range.

Keywords: Thermocouples, Eutectic fixed points, Thermoelectric properties.

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