Types of thermal cameras

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Types of thermal cameras
There are three basic types of thermal cameras, but these types differ among themselves; Because of its ability to capture different wavelengths, and the different nature of the use of each type, according to the intended purpose, and the following is a detail of these types:

Short wavelength thermal cameras
This type detects infrared wavelengths in the spectral range from 0.9-1.7 microns, as this range is very close to the visible light spectrum, and when using this type, the quality of the captured images is very high compared to the visible light spectrum in terms of Contrast shadows and details of the subjects being photographed.

Medium wavelength thermal cameras
This type detects infrared waves in the spectral range of 2-5 microns, and provides accurate images and readings, but the images are not as detailed as long-wavelength cameras, due to the increased amount of atmospheric absorption of radiation within this spectral range, usually Medium wavelength cameras are used to read extremely high temperatures such as burners and ovens.

Long wavelength thermal cameras
It is considered one of the most widespread thermal cameras, and it can detect infrared wavelengths within the range of 7-12 microns, and cameras operating within this spectral range provide a great deal of detail for the images that are captured, the absorption of the radiation within this range is small It provides accurate temperature measurements and can read detailed differences across low or high temperature ranges.

Working principle of thermal cameras
Thermal cameras detect the temperature by measuring and capturing infrared levels. All objects emit some kind of infrared radiation. After the thermal camera captures the infrared radiation emitted by an object, the processing unit analyzes these rays and converts them into an image with degrees. Cold and warm colors to indicate the different temperatures of the captured objects.

uses of thermal cameras
Thermal cameras are used in many different practical applications, and among these applications in brief are the following:

Detecting damaged electrical wiring.
Underground water leak detection.
Measure the temperatures of different objects.
Search for survivors in places of natural disasters.
Military and security applications

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