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Proceedings Paper

The Plug Calibrator - A Useful Analytical Device For Quantitative Infrared Thermographic Analysis
Author(s): Charles C. Roberts Jr.
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Paper Abstract

A plug calibrator is a solid piece of metal with thermocouple or thermistor instrumentation embedded near a viewing surface. A heat source controls the temperature of the plug which is measured by the thermocouple and assumed to be that of the surface. An infrared imager views the surface obtaining a calibration at various temperatures. This paper reviews several designs for plug calibrators and their utility in quantitative analyses. Calibrator design parameters such as internal thermal resistance, location of instrumentation, surface quality and heat source location are discussed. The plug calibrator is a useful tool in quantitative analyses.

Paper Details

Date Published: 1 January 1988
PDF: 6 pages
Proc. SPIE 0934, Thermosense X: Thermal Infrared Sensing for Diagnostics and Control, (1 January 1988); doi: 10.1117/12.968500
Show Author Affiliations
Charles C. Roberts Jr., Consulting Engineer (United States)

Published in SPIE Proceedings Vol. 0934:
Thermosense X: Thermal Infrared Sensing for Diagnostics and Control
Ronald D. Lucier, Editor(s)

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