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High-temperature fixed points facilities for improved thermocouple calibrations - EUROMET project 857.

Morice, R*; Edler, F*; Pearce, J; Machin, G; Fischer, J*; Filtz, J R* (2008) High-temperature fixed points facilities for improved thermocouple calibrations - EUROMET project 857. Int. J. Thermophysics, 29 (1). pp. 231-240.

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Abstract

LNE NPL and PTB have decided in 2005 to join their research efforts in the frame of Euromet (project N°857) with the aim of developing robust high temperature fixed points facilities for the calibration of thermocouples with uncertainties reduced by at least a factor of two. This structuring project is organised in five work packages and ensures good and efficient cooperation between the partners to meet the objectives in a limited time (4 years). Furthermore a formal agreement with the NMIJ has been established, enabling to qualify worldwide this new method as a valuable alternative to current calibration methods. The work covers for each laboratory the development of sets of cells at the cobalt-carbon eutectic point (1324 °C) and palladium-carbon eutectic point (1492 °C), the construction of platinum/palladium thermocouples carefully stabilized for use up to these temperatures, improvement of fixed-point realisation capabilities through high uniformity, high temperature furnaces. This paper describes the European project and gives an overview of current progress.

Item Type: Article
Keywords: metrology, heat transfer, phase transitions, melting
Subjects: Engineering Measurements
Engineering Measurements > Thermal
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/4086

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