International comparison of radiation-temperature measurements with filtered detectors over the temperature range 1380 K to 3100 K

A series of black-body radiation-temperature measurements has been made over the temperature range 1380K to 3100K using two different designs of pyrolytic-graphite black bodies with calculated emissivities of 0.999. All measurements were performed at the All-Russian Research Institute for Optophysic...

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Bibliographic Details
Published in:Metrologia 1998-08, Vol.35 (4), p.283-288
Main Authors: Harrison, N J, Fox, N P, Sperfeld, P, Metzdorf, J, Khlevnoy, B B, Stolyarevskaya, R I, Khromchenko, V B, Mekhontsev, S N, Shapoval, V I, Zelener, M F, Sapritsky, V I
Format: Article
Language:English
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Summary:A series of black-body radiation-temperature measurements has been made over the temperature range 1380K to 3100K using two different designs of pyrolytic-graphite black bodies with calculated emissivities of 0.999. All measurements were performed at the All-Russian Research Institute for Optophysical Measurements (VNIIOFI) during June 1997. A filter photometer from the VNIIOFI, broadband glass-filter detectors from the Physikalisch-Technische Bundesanstalt (PTB) and narrowband interference-filter-based radiometers from the National Physical Laboratory (NPL) were used to perform the temperature measurements in either radiance or irradiance mode using both black bodies. Across the entire temperature range, the NPL and PTB instruments showed consistent results with both black bodies and differing geometrical arrangements. Results from the VNIIOFI photometer were also broadly consistent for a wide temperature range.
ISSN:0026-1394
DOI:10.1088/0026-1394/35/4/12