Infrared Thermal Imager: How It Works and Its Many Uses

Infrared Thermal Imager: How It Works and Its Many Uses

Everyone wants to see more of the world. We want to see what lies behind a wall or what moves in the forest at night. People can now do that, thanks to thermal imaging devices.

Thermal imaging is the process of changing infrared (IR) radiation or heat into images. You need an infrared thermal imager to see the spatial distribution of temperatures. This imaging technology has developed many uses over the years. It’s used to see in low visibility environments and to measure surface temperature.

How Does It Work?

Thermal imaging revolves around the science of infrared energy. In layman’s terms, it’s all about heat. Everything gives out energy. It’s known as the heat signature. The amount of radiation an object emits is in proportion to the total heat.

A thermal scanner or IR camera has sensitive heat sensors. These can pick up tiny differences in temperature. This sophisticated device gathers information based on the infrared radiation of the object. It then maps out an image of the object based on the varying temperature measurements.

Thermal images are often on grayscale. The white color represents heat while black stands for colder temperatures. You’ll see different shades of gray as well. These represent the gradient temperatures between the two colors. But now, the new thermal temperature scanner models come in a wide array of colors, like red, blue, and orange. The use of more colors helps users identify objects better.

Top Applications of Thermal Cameras

Conventional wisdom says thermal imaging was first used at the start of the Korean War. The military used the technology for night combat and to scout for enemy activities. But now thermal imagers are often used in different applications.

· Building Construction

Thermal imaging is a big help in the design and construction industry. Infrared camera imaging can pinpoint leaks in thermal insulation. This is critical in ensuring a building can maintain proper temperature. The technology can also help in the analysis of a building’s structure. Architects, engineers, and contractors can use IR cameras in many applications. The device is being used in the installation of heating and ventilation systems. They’re also useful in detecting potential problems, like mold growth or a loose door or window.

· Electrical Maintenance

There are many ways thermal imaging is useful in electrical maintenance. Power line technicians can use a thermal camera to locate parts that are overheating. An IR camera is also used to find loose connections or joints that are beginning to fail.

· First Responders

IR scanners have helped countless firefighters and emergency services save people. Firefighters often use thermal imaging technology to see through smoke. They improve the odds of people becoming rescued and they keep the firefighters safe.

Law enforcement agencies have also integrated thermal imaging into their arsenal as well. They use infrared imagers for surveillance and to locate suspects at night. These devices are also used for search and rescue missions. They also help investigate crime scenes.

· Healthcare

Thermal imaging has many practical uses in healthcare and medicine. The technology can sense changes in surface temperature. This makes it easy to spot fevers. It’s why thermal thermometers or scanners have become common during the pandemic.

Airports and many other facilities can scan people in a fast and non-invasive manner. Through them, it is easier to spot and help those with high temperatures.  Thermal imaging is also used to diagnose many disorders connected to the limbs, neck, and back.

· Home Security

The military has long used thermal imaging technology. Now military personnel have IR cameras mounted on their vehicles and gear. These cameras are also deployed in home security. They can see through the darkest areas of any property and make it easy to find intruders.

· Pest and Animal Management

People are often surprised to find that IR cameras are also used in pest management. These devices can spot pests and pesky critters in dark areas or places that are hard to reach. Thermal imaging is also very effective in finding termite activity and are used a lot in wildlife surveys. They help researchers study animals in a way that’s non-invasive and doesn’t intrude on their space.

Technology has also helped keep animals healthy. Any red-blooded organism produces heat, but temperatures change when one is sick. IR scanners are often used when doing checkups on pets and working animals. Veterinarians can spot health issues faster. They can then provide a cure as soon as possible.

· Plumbing

IR imaging is also useful in finding leaks through walls and pipes. Thermal cameras are effective even from a distance. It makes them great tools to discover problems in systems or equipment that are hard to reach.

· Transportation and Navigation

This industry benefits from thermal imaging a lot. The technology makes it easier for maritime vessels to see obstructions while out at sea. Many car models today also have IR cameras. They’re used to alert drivers of objects outside the range of the headlights. This does a lot in reducing accidents.

Using Technology to Stay Healthy

It’s easy to keep your employees healthy and happy with the help of Well Health Works. We are the top gun when it comes to corporate wellness solutions. With years of experience and expertise, we can help create the best care plans for your company. We also have a good working relationship with insurance providers. We can file claims on your behalf. We provide flu shots and health screenings. We also offer COVID-19 employees. You can call us at 833-935-9355 or email us at

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