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Investigation of Pd-C cells to improve thermocouple calibration.

Pearce, J V; Edler, F*; Elliott, C J; Failleau, G*; Morice, R*; Ogura, H* (2011) Investigation of Pd-C cells to improve thermocouple calibration. Metrologia, 48 (5). pp. 375-381.

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Abstract

An intercomparison of the melting temperatures of four Pd-C eutectic fixed-point cells was performed by using four Pt/Pd thermocouples. The cells are designed for the calibration of thermocouples and were constructed in the participating laboratories of NPL, LNE, NMIJ, and PTB. The measurements were performed in four different high-temperature furnaces but by applying the same measurement procedure. In spite of slightly different cell designs and different material sources, the melting temperatures of three of the four Pd-C cells (NPL, LNE, and NMIJ) agreed very well within their expanded uncertainties of k = 2.

Item Type: Article
Keywords: thermocouples, eutectic fixed points, high temperature fixed points, htfp, Pd-C, Pt/Pd
Subjects: Engineering Measurements
Engineering Measurements > Thermal
Identification number/DOI: 10.1088/0026-1394/48/5/019
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/5277

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