Wednesday, October 7, 2020

Accurate Fever Scanning with Infrared Forehead Thermometers: Issues, Solutions and How to Calibrate

 FlukeCal Publishes Helpful Article Online



Because of the COVID-19 pandemic, there is a lot of interest in measuring human body temperature. I’m sure you’ve seen articles or you had your own temperature measured as you entered a public place like a store or medical building. 

Most of the interest in measuring human body temperature is in the area of non-contact or infrared (IR) temperature measurement. Infrared measurements are ideal for this fever screening because making the measurement only takes a few milliseconds, and you don’t have to touch the person or object you are measuring, which helps prevent further spread of CoronaVirus. 

Article overview 

 We know a lot about radiation thermometry here at Fluke Calibration. We manufacture some of the best IR calibration standards in the world and our experts are recognized in the metrology community. For example, Frank Liebmann is a recognized expert in the field, and he has contributed many technical articles and scientific papers on this subject.

 Frank has trained hundreds from around the world on proper methods for performing IR temperature measurements and calibrations. Thanks to Frank and other Fluke IR experts, we can provide answers for the challenging questions you may have.

 In this post I’m going to answer some basic questions about IR thermometers for human fever screening, such as how they measure, some of the challenges with using them for human body temperature measurement, and how to check the accuracy to know that an instrument is living up to its claimed specifications. 

 We’re also working on more technical content which will be published at a later date. If you are interested in being informed about that, please sign up for our email list. 

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