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FLIR GFx320™

Ground Breaking Technology for Visualizing Fugitive Leaks at Natural Gas Well Sites


  • Detector Type FLIR Indium Antimonide (InSb)
  • Dynamic Range 14-bit
  • Hazardous Location Compliance ATEX/IECEx, Ex ic nC op is IIC T4 Gc II 3 G ANSI/ISA-12.12.01-2013, Class I Div 2 CSA 22.2 No. 213, Class I Div 2
  • NETD <10 mK @ 30°C (86°F)
  • Standard Temperature Range –20°C to 350°C (–4°F to 662°F)
  • Zoom 1-8x continuous digital zoom
  • Ambient temperature range -20°C to 40°C (-4°F to 104°F) (Certification range for explosive atmospheres)
  • Encapsulation IP 54 (IEC 60529)
  • Mounting Standard, 1/4"-20
  • Operating Temperature Range –20°C to 50°C (–4°F to 122°F)
  • Shock & Vibration 25 g (IEC 60068-2-27) / 2 g (IEC 60068-2-6)
  • Storage Temperature Range –30°C to 60°C (–22°F to 140°F
  • Automatic Image Adjustment Continuous/manual, linear, histogram
  • Camera f-number f/1.5
  • Color Palettes Iron, Gray, Rainbow, Arctic, Lava, Rainbow HC
  • Detector Pitch 30 µm
  • Field of view (FOV) 14.5° × 10.8°
  • Focal Length 38 mm (1.49 in.)
  • Focus Manual
  • Frame Rate [Full Window] 60 Hz
  • Global Positioning System [GPS] Location data stored with every image
  • Image Analysis 10 spotmeters, 5 boxes with max./min./average, profile, delta temperatures, emissivity & measurement corrections
  • Image Modes IR image, visual image, High Sensitivity Mode (HSM)
  • IR Resolution 320 x 240 pixels
  • Minimum Focus Distance 0.5 m (1.64 ft.)
  • Non-Radiometric IR Video MPEG4 (up to 60 min./clip) to memory card
  • On Camera Display Widescreen 800 x 480 pixel LCD Tiltable 800 × 480 pixel OLED viewfinder
  • Radiometric IR Video 15 Hz direct to memory card
  • Sensor Cooling Stirling Microcooler (FLIR MC-3)
  • Spectral Range 3.2 – 3.4 µm
  • Total Pixels 76,800
  • Viewfinder Yes
  • Visual Image 3.2 MP from integrated visible camera Can be automatically associated with corresponding non-radiometric IR video
  • Visual Video MPEG4 (25 min./clip) to memory card

The FLIR GFx320 represents ground-breaking technology for visualizing fugitive hydrocarbon leaks at natural gas well sites, off-shore platforms, liquid natural gas terminals, and more. Its certifications for use in hazardous locations allow surveyors to work confidently while maintaining safety. FLIR designed the GFx320 with the user in mind, offering ergonomic features such as the articulating LCD screen to help you avoid fatigue during all-day surveys.