1. How far can a thermal imager measure?
Detection distance = measured target size – angular resolution
The smaller the angular resolution, the farther the distance can be detected.
For example: The clamp size of transmission lines is generally 50mm. If the measured thermal imager is used and its IFOV is 2.5mRad, the detection distance is 50÷2.5=20m.
2. How small a target can a thermal imager measure?
Minimum detection target size = angular resolution * minimum focusing distance.
The smaller the angular resolution and the smaller the minimum focusing distance, the smaller the target that can be detected.
3. How clearly can the thermal imager see?
A. Thermal sensitivity determines the ability of an infrared thermal imaging camera to distinguish subtle temperature differences.
Under different thermal sensitivities, the picture effects presented are also completely different. The smaller the sensitivity value, the better the thermal sensitivity and the clearer the picture.
B. The minimum detection size determines the thermal imager's ability to capture small dimensions.
The smaller the minimum detection size is, the more pixels will make up the detection target image of the same area, and the image will be clearer.