optris PI 160 - 6 Basics of Infrared Thermometry

57
Basics of Infrared Thermometry
6 Basics of Infrared Thermometry
Depending on the temperature each object emits a certain amount of infrared radiation. A change in the
temperature of the object is accompanied by a change in the intensity of the radiation.
Searching for new optical material William Herschel by chance found the infrared radiation in 1800.
Figure 28: William Herschel (1738-1822)