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Optical Gas Imaging Camera


Model: FLIR GF620, 24° fixed lens Go to Product Support
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The FLIR GF620 is the first high-resolution, handheld camera from FLIR to detect methane and other volatile organic compound (VOC) emissions. With its ground-breaking 640 x 480 resolution IR detector, inspectors can check thousands of components and safely scan for gases from greater distances. It's also the first FLIR OGI camera to offer Quantification mode (Q-Mode) for streamlined set-up of the optional QL320 gas quantification system.

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The Next Generation in OGI Technology

  • See more and survey safer

    See smaller leaks using the same optics and distances as earlier models, thanks to a 4x increase in pixels within the field of view.

  • Sensitive enough for small leaks

    Measure temperature up to 100°C with ±1°C accuracy so you can ensure optimal contrast, or improve detection with High Sensitivity Mode (HSM).

  • Save the environment and revenue

    Reduce emissions and avoid regulatory fines by pinpointing the exact source of emissions and quantifying losses with Q-mode and the optional QL320 system.

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IR Resolution
640 × 480 pixels
Detector Pitch
15 µm
<20 mK @ 30°C (86°F)
±1°C (±1.8°F) for temperature range (0°C to 100°C, 32°F to 212°F) or ±2% of reading for temperature range (>100°C, >212°F)
Spectral Range
3.2 – 3.4 µm
Hazardous Location Compliance
Imaging & Optical
Automatic Image Adjustment
Continuous/manual, linear, histogram
Camera f-number
Color Palettes
Iron, Gray, Rainbow, Arctic, Lava, Rainbow HC
Detector Pitch
15 µm
Detector Type
FLIR indium antimonide (InSb)
Dynamic Range
Field of view (FOV)
24° × 18°
Focal Length
23 mm (0.89 in.)
Frame Rate [Full Window]
60 Hz
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
640 × 480 pixels
Minimum Focus Distance
0.3 m (1.0 ft.)
<20 mK @ 30°C (86°F)
Non-Radiometric IR Video
MPEG4 (up to 60 min./clip) to memory card
Radiometric IR Video
15 Hz direct to memory card
Sensor Cooling
Stirling Microcooler (FLIR MC-3)
Spectral Range
3.2 – 3.4 µm
Streaming Video
Radiometric IR streaming to PC using USB cable. Non-radiometric IR video streaming: RTP/MPEG4
Total Pixels
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
1-8x continuous digital zoom
Measurement & Analysis
±1°C (±1.8°F) for temperature range (0°C to 100°C, 32°F to 212°F) or ±2% of reading for temperature range (>100°C, >212°F)
Standard Temperature Range
–20°C to 350°C (–4°F to 662°F)
Battery Type
Rechargeable Li-ion battery
External Power Operation
AC adapter 90-260 VAC, 50/60 Hz or 12 VDC from a vehicle
Environmental & Certifications
Ambient temperature range
-20°C to 50°C (-4°F to 122°F)
IP 54 (IEC 60529)
Hazardous Location Compliance
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)
Related Documents
Export Restrictions

Export Restrictions

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.

FLIR GF620 - Model: FLIR GF620, 24° fixed lens

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