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The FLIR GF620 is a light thermal camera for the detection of methane and other hydrocarbon gasses. This camera is capable to display even the smallest possible gas leaks in real-time due to the high resolution (640 x 480 pixels) and the extreme sensitivity. Furthermore the GF620 measures temperatures from -20°C up to 350°C with an accuracy of ±1°C (100°C). Finally, the quantification of gasses and the associated costs are easy to track down with the QL320 software.

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Gas detection cameras for making all invisible gasses visible

The FLIR GF series are gas detection cameras which are capable of making all invisible gasses visible. Oil- and gas facilities, energy companies etc. often consist of big installations and connections that require regular inspections. The chance of leaks or other damage is often small, but the consequences can be desastrous for the present people. The FLIR GF cameras are a reliable and accurate solution for the visualisation of different gasses in multiple environments. 

Real-time visualisation of the smallest gas leaks with the GF620

The FLIR GF620 is a cooled gas detection camera suited for visualising gas leaks of methane and other hydrocarbon gasses. The camera is capable to scan large areas fast and detect leaks in real-time. Ideal to track down very small gas leaks that are hard to reach with contact measuring instruments. Thousands parts can be scanned per shift without the process having to be shut down. Moreover this camera is very safe to use, because possible dangerous gas leaks can be discovered and monitored from a safe distance. 

The gasses that can be detected with the FLIR GF620

Sealing class


3.2 - 3.4 µm


± 1℃, ± 2℃


640 x 480



Temperature range

-20°C to 350°C

Thermal sensitivity

<15 mK


Gas detection camera

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    The FLIR QL320 is a quantitative gas detection system designed specifically for use with the FLIR GF620, GF320 & the GFx320. Inspectors are able to use this system to quantify leaks of methane and other hydrocarbons in real time without...

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