Temperature Screening

Teledyne Technologies EverywhereYouLook Temperature Screening

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Temperature Screening Technology

Detecting elevated skin temperature from a distance, without physical contact, has obvious advantages for both patients and practitioners--thus the rise in the use of spot meters and thermal cameras. Although the stereotypical test point has always been the forehead, best practice for temperature sampling identifies the interior of the ear hole or the inner canthus of the eye (near the corner of the eye beside the nose) as the most accurate sites to test.

If you want to test from a distance, the face is much more accessible than the interior of the ear hole. For the face, spot meters are problematic: temperature varies across the face, so a single point might be an outlier while an average of a larger area can obscure important detail. Accuracy can also vary with distance. A full-face imaging approach using thermal (long wave infrared) cameras like Teledyne’s has the potential to be more accurate, consistent, and thorough than a single point sampling approach. It also has the potential for higher throughput (more people screened more quickly). A thermal image can include a temperature reference (from a black body radiator for example) in the scene for much higher accuracy and reliability, and an automated imaging system can free hands to do other important tasks.

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Teledyne DALSA Temperature Screening