MEASUREMENT AND UNCERTAINTY OF THE SIZE-OF-SOURCE EFFECT OF RADIATION THERMOMETERS, IN THE CONTEXT OF AN INDUSTRIAL CALIBRATION LABORATORY

JAVIER DE LUCAS VEGUILLAS

doi:https://doi.org/10.6036/NT9638

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MEASUREMENT AND UNCERTAINTY OF THE SIZE-OF-SOURCE EFFECT OF RADIATION THERMOMETERS, IN THE CONTEXT OF AN INDUSTRIAL CALIBRATION LABORATORY

JANUARY-DECEMBER 2020 - Volume: 7 - Pages: [15 p.]

DOI:

https://doi.org/10.6036/NT9638

Authors:

JAVIER DE LUCAS VEGUILLAS

Disciplines:

Units and constants (METROLOGÍA )

Downloads: 11

How to cite this paper:

Received Date : 15 January 2020

Reviewing Date : 20 January 2020

Accepted Date : 3 March 2020

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Key words:: Termómetro de radiación, termometría, calibración industrial, metrología, trazabilidad, cuerpo negro, emisividad, Radiation thermometer, thermometry, industrial calibration, metrology, traceability, blackbody, emissivity
Article type:: ARTICULO DE INVESTIGACION / RESEARCH ARTICLE
Section:: RESEARCH ARTICLES

Abstract
An experimental procedure for characterizing the size-of-source effect is proposed. It is one of the main influence variables for uncertainty, both in calibration and use of direct reading radiation thermometers. The procedure and uncertainty calculation described are aligned, in terms of metrological traceability, with the requirements generally imposed to ensure the accuracy of measurements in industry and science. Finally, results of application and validation of the procedure, with equipment normally found in radiation thermometry calibration laboratories, in the industrial field, are shown.

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