Articles | Volume 9, issue 2
https://doi.org/10.5194/jsss-9-425-2020
https://doi.org/10.5194/jsss-9-425-2020
Regular research article
 | 
18 Dec 2020
Regular research article |  | 18 Dec 2020

Metrological characterization and calibration of thermographic cameras for quantitative temperature measurement

Sebastian König, Berndt Gutschwager, Richard Dieter Taubert, and Jörg Hollandt

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Cited articles

Budzier, H. and Gerlach, G.: Thermal infrared sensors: theory, optimisation and practice, John Wiley & Sons, USA, 2011. 
Deutsches Patent- und Markenamt: Verfahren zum Ermitteln von Korrekturparametern zum Korrigieren von Messwerten von Bildpunkten, um die Ungleichheit des Übertragungsverhaltens einzelner oder aller Bildpunkte eines Bildaufnahmesystems zu korrigieren, Deutsches Patent- und Markenamt, Germany, 10 2014 018 340.8, 2014. 
German standard DIN IEC/TS 62492-2: Industrial process control devices – Radiation thermometers – Determination of the technical data for radiation thermometers (IEC/TS 62492-2:2013), Berlin, 2014. 
Gutschwager, B. and Hollandt, J.: Nonuniformity correction of imaging systems with a spatially nonhomogeneous radiation source, Appl. Optics, 54, 10599–10605, 2015. 
Gutschwager, B. and Hollandt, J.: Nonuniformity correction of infrared cameras by reading radiance temperatures with a spatially nonhomogeneous radiation source, Meas. Sci. Technol., 28, 015401, https://doi.org/10.1088/1361-6501/28/1/015401, 2017. 
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Short summary
We present the metrological characterization and calibration of three different types of thermographic cameras for quantitative temperature measurement traceable to the International Temperature Scale (ITS-90). Relevant technical specifications are determined according to the requirements given in the series of Technical Directives VDI/VDE 5585. For the IETD and the NU, we also show how a significant improvement in the parameters can be achieved with the help of the data reference method.