Can Thermal Imaging See Through Walls

Can Thermal Imaging See Through Walls

It might sound like a question straight out of a Sci-Fi story, but the answer is a big NO! There has been a lot of misinformation being spread throughout the year by popular media that thermal or infrared cameras can help you see through the walls. As the name suggests, a thermal or infrared camera is a device that is based upon heat sensing, and you’ll never be able to see anything beyond the wall. It does allow you to detect water, human beings, animals, or even electrical equipment behind the wall. This detection is possible when the wall is thin enough, and the temperature difference is significant.

Let us look at what you can see and not see using a thermal camera and bust all such myths associated with one of the most efficient inspection devices of the 21st century.

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As mentioned earlier, thermal cameras can only detect heat, and based on the temperature ranges picked up by the sensor, assign colors. Thermal cameras will not allow you to see through the walls, so drop the idea of becoming an MI5 agent! Usually, walls are thick enough to block all types of infrared radiation from the other side. Pointing the thermal camera at the wall will only help you detect heat from the wall, and it won’t give you any idea as to what’s beyond that. The thermal imager will be able to detect if there’s a significant temperature difference on the wall’s surface. Maintenance professionals often use infrared imaging to detect water leakages and insulation leaks without damaging the wall.

Using Thermal Imaging in Industries Thermal imaging is used in various industries, including manufacturing, electrical sub-stations, water treatment plants, and even defense. The wide range of uses has made thermal imaging an essential tool for inspection. The best thing about thermal imaging is that it’s a completely noninvasive technology, i.e., an inspection of an object is possible without causing any damage.

Electrical panels, water treatment types of equipment, transformers, and any continuously operational equipment often undergo wear and tear, which have to be addressed before breaking down completely.

Can thermal imaging cameras help you see through smoke?

Thermographic cameras are based on the principle of heat sensing. Infrared cameras can easily detect heat even when an area is filled with smoke. Firefighters across the world use thermographic cameras to detect fire at places that are shrouded in smoke. Thick smoke makes it difficult for human beings to visually detect fire raging in other sections of a room or building on fire but can be easily detected by thermal imaging cameras. First responders or firefighters can navigate through smoky environments by using infrared imaging tools.

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