An Infrared Thermometer, in its most basic form, comprises of a lens that directs infrared (IR) radiation to a detector, which transforms the energy to an electrical signal that may be displayed in temperature units after being corrected for ambient temperature change. This arrangement allows for temperature measurement from a distance without coming into touch with the thing being monitored.
As a result, the Infrared Thermometer is excellent for detecting temperature when thermocouples or other probe type sensors cannot be utilised or generate inaccurate data for a number of reasons. Some typical circumstances are where the object to be measured is moving; where the object is surrounded by an EM field, as in induction heating; where the object is contained in a vacuum or other controlled atmosphere; or in applications where a fast response is required.
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