工作用辐射温度计检定中若干技术问题的研究

doi:10.3969/j.issn.1000-1158.2015.03.06

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Abstract The several technical problems such as the measurement distance,aiming method and additional aperture in the calibration of working radiation thermometer are discussed. A method for determining measurement distance is presented, which is according to the maximization and minimization principles of measurement signals in different test temperatures.Two aiming methods are compared and analyzed, and the correlative conclusion is that the method of targeting the bottom cavity is of greater reliability and accuracy.In addition, for the radiation source size effect (SSE), the temperature correction formula generated by SSE is given.

Key words： Metrology Radiation thermometer Measurement distance Aiming method Additional aperture SSE

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	Articles by authors
	ZHANG Long-fei
	SUN Jian
	LI Wen-jun
	LI Xi-ming
	GU Zhe-han

Cite this article:

ZHANG Long-fei,SUN Jian,LI Wen-jun, et al. Study on Several Technical Problems in Calibration of Working Radiation Thermometer[J]. Acta Metrologica Sinica, 2015, 36(3): 247-250.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2015.03.06 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2015/V36/I3/247

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