The FLIR ir camera are the leader of the IR technology instruments for civil and militay applications since 1970. The porposed models are dedicated to different fields of applications.
What is IR? Look at the Technology section to learn more.
In Applications section you can better understand the most common IR applications.
You can find the proposed instruments (categorized per application) in the Products section.
The IR could be defined like the art to turn an infrared image into a radiometric one.