IR Temperature Measurement for Metals Made Simple

On Demand Until February 25, 2021

Duration:60 minutes


Choosing and deploying the right sensor for Infrared temperature measurements on metal surfaces can be a complicated exercise.  Most suppliers offer dozens of sensor options and some offer a range of IR cameras that could also be considered. It is easy to spend several thousand dollars on a sensor that does not measure accurately on a metal surface, but you can avoid this fate if you better understand four key technical issues.  We’ll address the questions on sensor wavelength, spot size ratios, the IR camera vs. IR sensor question and the right time to consider a ratio pyrometer.

Learning Objectives

  • Learn which sensor wavelength is appropriate for temperature measurement on metal surfaces
  • Understand the concept of spot size ratio and how this applies to temperature measurement applications.
  • Learn the advantages and disadvantages of using IR camera vs. a single spot IR sensor.
  • Understand the basics of ratio pyrometry and which applications are best served by this measurement technology.

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Thomas Scanlon


Optris Infrared Sensing, LLC

Tom Scanlon is currently the President and General Manager at Optris IR Sensing based in Portsmouth, NH. Before this Tom spent 32 years at FLIR Systems Inc. where he last served as the Worldwide V.P. for Business Development for the Instruments Test Equipment Segment. In his role as the Americas Sales and Operations V.P. he managed all aspects of the business including the Infrared Training Center, the Customer Service departments the Science Sales segments and played the lead role in the development of the optical gas imaging business. Mr. Scanlon holds numerous patents on infrared cameras and sensing systems.



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IR Temperature Measurement for Metals Made Simple
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