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Title: Radiation Thermometry
Author: Russell N. Bigelow, Paul S. Carlson Aaron m. Hunter, Stephen R. King
Source: 1996 Measurement Science Conference
Year Published: 1996
Abstract: Radiation thermometry is the measurement of the temperature of a body by quantification of the electromagnetic radiation emitted therefrom. Instruments are commercially available to measure temperatures from -100 C to more than 3,500 C with accuracies of 0.5 to 1.5 percent of the temperature reading in Kelvin. Rms repeatabilities are the greater of 0.2 percent of reading or 0.2 C. This paper presents the theory of radiation thermometers and a discussion of the sources of errors that can affect their use for target temperatures below 600C . The source of errors are calibration, Size-of-Source, emissivity of the target, background radiation, and path absorption.

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