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A comparison of the blackbody cavities for infrared ear thermometers of NMIJ, NPL, and PTB

  • A comparison of the NMIJ, the NPL, and the PTB blackbody cavities for infrared ear thermometers has been performed for the first time. The NMIJ and the PTB have transported their standard blackbodies to the NPL and radiance temperatures of the blackbodies of the institutes have been directly compared simultaneously using high-resolution infrared ear thermometers as comparators. The results of the comparison show that radiance temperatures realized by the NMIJ, the NPL, and the PTB cavities agree within +/-0.01 deg C, well within their uncertainty levels of around 0.04 deg C in the temperature range from 35 deg C to 42 deg C.

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Metadaten
Author:Jürgen Hartmann
Parent Title (English):AIST Bulletin of Metrology
Document Type:Article
Language:English
Year of publication:2007
Publishing Institution:Hochschule für Angewandte Wissenschaften Würzburg-Schweinfurt
Release Date:2020/12/04
Volume:5
Issue:4
First Page:251
Last Page:256
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit
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