L. Terry Clausing

L. Terry Clausing is President of Drysdale & Associates, Inc., Cincinnati, Ohio. He serves on ASTM E07 Committee on Nondestructive Testing and chairs E07.10 on Specialized NDT Methods, ASME BPV Section V on Personnel Qualification and Certification. He may be reached at 513-739-2317 or terry@drysdaleassoc.com.

Proper Use of IR Temperature Sensors (Part II)

Accurate temperature measurements are critical to forging processes and the metallurgical properties of forged components. For a given set of specific conditions, IR temperature sensors work reliably and produce repeatable temperature measurements – but not necessarily accurate ones. Accuracy comes from properly calibrating sensors to the specific materials and applications.

L. Terry Clausing

February 4, 2020

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Part I of this article considered the technology of measuring temperature through the infrared radiation of a heated metal mass and some of the misconceptions and inaccuracies that may be present in or about the process. This article will explore ways to improve accuracy through proper calibration and to take temperature measurements of highly reflective bodies.