Thermal cameras show how heat is distributed, so they are used to inspect buildings, electrical equipment and machinery, and to watch for people and objects in the dark in security systems. Our range has over 15 models, from handheld thermal imagers to fixed cameras.
The main brands are FLIR, Hikvision, Bosch and Guide Sensmart.
How to choose a thermal camera
Purpose and housing. For checking buildings, electrical panels or motors, a handheld imager with a screen and battery is the practical choice. For perimeter security or constant monitoring of a process, a fixed camera that connects to a video surveillance system makes more sense, so check its dust and water protection rating and how it is powered.
Resolution. The more sensor pixels, the more detail you see and the more accurately you can measure a small object from a distance. Lower resolution is enough for close-up equipment checks, while small contacts or long distances are easier to inspect with a higher one.
Temperature range and sensitivity. A narrower range usually covers building and electrical inspections, while industrial work, where surfaces get very hot, needs a wider one. Sensitivity (NETD) is the smallest temperature difference the camera can tell apart: the lower the value, the cleaner the image.
Lens and field of view. A wide field of view suits small rooms, while a narrower one helps you see distant objects. If the camera will be mounted in place, choose the field of view according to the distance to the area being watched.
Extra features. Blending the thermal image with a standard camera image helps you recognise what you are looking at. Image storage and wireless connectivity make reporting easier.
Brands in our range
- FLIR: one of the best-known names in thermal imaging, with handheld imagers widely used for building and electrical inspections.
- Hikvision: a video surveillance manufacturer that offers thermal cameras for security and perimeter protection.
- Bosch: known for professional measuring tools and security systems.
- Guide Sensmart: makes infrared thermal imaging equipment for industrial and security use.
- Seek Thermal: known for thermal imagers designed to connect to a smartphone.
Frequently asked questions
What is a thermal camera used for?
A thermal camera is used wherever you need to see differences in heat. It helps find heat loss in buildings, overheated electrical contacts, leaking pipes, and people or animals in the dark. It is also common in security systems.
Can a thermal camera see through walls?
No, a thermal camera only detects surface temperature. It can show a heat pattern on a wall, such as underfloor heating pipes or a damp patch, but it cannot show an object behind it. Glass also reflects heat, so a thermal image does not work through a window.
What resolution of thermal camera do I need?
It depends on the distance and the size of the object. For close-up checks such as electrical panels, lower resolution is enough, while large buildings and distant objects call for a higher one. Higher resolution also helps you measure small details more accurately.
What is the difference between a thermal camera and a night vision device?
A thermal camera detects the heat an object gives off, while a night vision device amplifies the small amount of light that is already there. This means a thermal camera works in complete darkness and through smoke, and it can measure temperature. Night vision shows more fine detail but does not measure temperature.
