as well, strongly lowering the reading. In the above case, where we have a point-
shaped object, which is much hotter than the surroundings, the temperature reading
will be too low.
10714703;a3
Figure 17.21 Image from the viewfinder of a ThermaCAM 695
This effect is due to imperfections in the optics and to the size of the detector elements.
It is typical for all infrared cameras and can not be avoided.
116 Publ. No. T559382 Rev. a358 – ENGLISH (EN) – June 23, 2009
17 – Introduction to thermographic inspections of electrical installations
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