Thermal imaging cameras were introduced not a long time ago, but have proved to be a useful test equipment in many different fields. These cameras use infrared rays, emitted by an object to form a picture. In general they function similarly to conventional cameras, but they uses special photoconductors, that have different lightwave range sensitivity, and capture pictures that cannot be taken by a regular camera or a human eye. There are two types of infrared cameras. First type uses cooled image detector, that can provide high quality and resolution of images, but is bulky and has to maintain very low temperature all the time. Second type uses an uncooled detector, that is smaller and cheaper, but provides slightly lower image quality.
Thermal imaging cameras can save images or videos for later analysis, that may be useful in various situations. Infrared cameras are applied in many different industries. They may be used by the military, law enforcers and firefighters, while inspecting a building project, while performing engine or HVAC diagnostics, as well as in astronomy, medicine, chemistry, meteorology and many more.
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