FLIR is the exclusive global distributor of the Workswell GIS-320 Thermal by FLIR optical gas imaging payload for unmanned aerial systems, unmanned ground vehicles, and mobile platforms.

 Built around a FLIR-cooled infrared detector, the GIS-320 visualizes methane, hydrocarbons, and VOC emissions from oil and gas production, transportation, and use. When operated from a central location, users can easily and safely detect hard-to-reach leaks or inspect wellheads spread out over a wide area in one pass. The GIS-320 with Thermal by FLIR technology is a valuable addition to any leak detection and repair (LDAR) program, eliminating the need for costly remediation and avoiding harm to the environment.

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The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.


Detector Type Focal Plane Array (FPA), cooled InSb
Digital Camera 1/3” sensor, auto white balance, wide dynamic range, blacklight compensation, exposure and gamma control
Digital image enhancement Noise reduction filter, High Sensitivity Mode (HSM)
Field of view (FOV) 14.5° × 10.8°
Focus Automatic motorised focus
Full Frame Rate 30 Hz output to USB
Image Modes IR only, VIS only, Picture in Picture with optical zoom, High Sensitivity Mode (HSM)
IR Resolution 320 × 240 pixels
Minimum Focus Distance 0.5 m (1.6 ft)
NETD <10 mK @ 30°C (86°F)
Radiometric IR video recording Radiometric full-frame IR recording (raw data recording in 30 Hz)
Digital camera H.264 encode video HD recording
Spectral Range 3.2 — 3.4 µm
Zoom IR image: 1 — 8x continuous digital zoom, VIS image: 10x optical zoom with vibration compensation

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