Peter Saunders and D Rod White 2004 Metrologia 41 41 doi:10.1088/0026-1394/41/1/006
Peter Saunders and D Rod White
Show affiliationsAn analysis is presented that allows the interpolation errors to be determined for radiation thermometers calibrated through the use of interpolation equations. For a given spectral responsivity shape, the errors depend only on the mean wavelength and relative bandwidth of the spectral responsivity, and on the temperature range over which the equation is used. This allows the interpolation errors for all applications of radiation thermometry to be summarized in a simple form and provides a guide to the selection of mean wavelength and bandwidth for a given application so that the interpolation error can be rendered negligible. The analysis is demonstrated by evaluating the interpolation errors for the widely used Wien and Planck versions of the Sakuma–Hattori interpolation equation.
Issue 1 (February 2004)
Received 20 June 2003
Published 10 December 2003
Peter Saunders and D Rod White 2004 Metrologia 41 41
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