16. INFRARED CAMERA BEHAVIOUR
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Infrared camera behaviour
16.1 Infrared camera warm‐up
Modern infrared cameras are based on a sensor (microbolometer array) that needs to be warmed‐up to the
working temperature before it can be used. The sensor starts warming‐up automatically when the user turns
Workswell SMARTIS system on. The infrared camera is usually ready in less than 5 minutes.
During the warm‐up process the accuracy of the measured temperature data is lower and various defects can
appear in the thermal image. Therefore, we recommend to let the infrared camera warm before using it.
16.2 Non‐uniformity correction
Infrared camera needs to be periodically calibrated in order to get reasonable measurement accuracy. This
process is called Non‐uniformity correction (NUC) and is done automatically.
It is recommended to use shorter periods (2 – 5 minutes) during camera warm‐up process and longer periods
(10 – 30 minutes) when the camera is already warmed‐up.
Warning
: Using only short periods (2 – 5 minutes) for a long time can cause early camera damage.
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Version 210127 EN, 27
th
Jan, 2021
All pictures are only for illustration.
Real values may vary.
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