EFFECTIVE APERTURES IN CALIBRATION AND COMPARISON OF RADIATION THERMOMETERS

JAVIER DE LUCAS VEGUILLAS

doi:https://doi.org/10.6036/9744

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EFFECTIVE APERTURES IN CALIBRATION AND COMPARISON OF RADIATION THERMOMETERS

SEPTEMBER 2020 - Volume: 95 - Pages: 462

DOI:

https://doi.org/10.6036/9744

Authors:

JAVIER DE LUCAS VEGUILLAS

Disciplines:

Units and constants (METROLOGÍA )

Downloads: 10

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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:: NOTA TECNICA / TECHNICAL NOTE
Section:: TECHNICAL NOTE

Radiation thermometers (RT) are calibrated with black bodies (CN) whose opening must sufficiently cover the nominal target of the thermometer. Due to possible imperfections in its optical system, radiation from regions outside the target can reach the detector. This is the effect of the source size (ETF) and constitutes an important limitation in the use of TR in applications especially in an industrial environment and source among others of measurement uncertainty.

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