Three things you may not know about thermal imaging(Part 2)

1. How far can Thermal Imaging see?

 

 

Most modern thermal cameras used for surveillance or law-enforcement purposes can detect heat sources up to a distance of 500 meters to 1 kilometer. However, for long-range applications, special thermal imaging cameras are required that can capture images from several kilometers. For instance, militaries use thermal cameras mounted on aerial vehicles to detect enemy activities in remote and hostile terrains.

 

The range of thermal imaging can also vary based on the size and temperature of the object. Smaller objects emit less heat, making them difficult to detect from a long distance. Similarly, objects that have a similar temperature to the ambient environment may not be visible in high-resolution thermal images. For example, a person standing in a warm room may be challenging to identify from a thermal camera.

The picture shows the observation distance of JPNV TB-675M.

 

 

Moreover, atmospheric conditions such as fog, rain, and snow can significantly reduce the range of thermal imaging. These adverse weather conditions can block the infrared signals, resulting in a blurry and unclear image. In such cases, thermal cameras that operate in the long-wave infrared (LWIR) spectrum are preferred, as they are less affected by atmospheric conditions.

 

In conclusion, the range of thermal imaging depends on many factors, including the ambient temperature, object characteristics, atmospheric conditions, and camera specifications. While some thermal cameras can detect heat sources up to a few kilometers, others are designed for short-range surveillance. It is essential to consider these factors and select the appropriate thermal imaging camera based on the application and requirements.

 

2. Can Thermal Imaging see Underground?

 

 

 

 

 

 

 

3. Is thermal imaging legal for hunting?