Some things to think about when picking out a thermal imaging camera


 

No one thermal imaging camera is optimal in every situation. There are a few things to consider before running out getting a thermal imaging camera. These considerations are important for any thermography application, including but not limited to building inspection, advanced surveillance and security, machine vision and automation, and so on.

Focus

The accuracy of the temperature measurements taken by an infrared camera is directly related to the depth of focus that was used. Truth be told, a blurry image is worse than no image at all. If the image you're using to take the measurement is hazy, you may be off by more than 20 degrees. Choose the kind of focus (fixed, manual, or automated) that corresponds to the typical distance between you and the item while doing inspections.

Optics

Materials used to create thermal imaging lenses have a direct impact on image quality because they dictate how efficiently infrared light is transmitted to the detector. For example, if the optics let too much infrared radiation to escape, the image quality may suffer. In higher-end applications, germanium is used in combination with specialized coatings to be the most efficient material for transferring energy to the detector lens for infrared cameras.

Detector Resolution (pixels)

The detector resolution, or the total number of detector pixels, plays a significant role in determining the quality of the images acquired by your infrared camera. Every single pixel on the target is in charge of establishing the sensation of heat or cold in the area it represents. You may take more accurate measurements and notice more details in your image if more of the detector's pixels are trained on the target.


 

Horizontal Perspective The field of view (FOV) is a component that contributes to the overall image quality alongside detector resolution. What can be viewed by the camera at once is measured in terms of its field of view (FOV). The minimum field of view needed varies greatly across uses. The field of vision should be larger when inspecting a building or a circuit board in detail. Detailing distant, microscopic things requires a camera with a narrow FOV.

Space time Defining Resolution

Since detector resolution and field of view (FOV) have such a significant effect on the degree of detail observed in infrared pictures, you'll be happy to know that the spatial resolution measured in mRads accounts for both. The spatial resolution of a system is one way to quantify the smallest detectable object size. The image's sharpness and amount of detail improve as the spatial resolution value decreases.

Questions to Ask Before Buying a Thermographic Camera

Before settling on the best thermal scan camera for your needs, you should compare five key features of the camera to the specifications of your unique application.


 

Levels of Heat

The temperature range of a thermal imaging camera may be the most crucial consideration. Where do you anticipate shooting these photographs? What kind of temperatures might you anticipate? Will the temperatures vary much from place to another? Prior to anything else, you should consider the camera's operating temperature.

Resolution

Determining the detector resolution is particularly crucial since thermal imaging cameras often have a lower pixel count than visible-light cameras. The imaging area size and the target will define the necessary resolution. Small items will need high-resolution thermal imaging cameras for identification.

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