Gas Find IR


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FLIR GF77 is the first uncooled infrared camera from FLIR to visualize methane emissions in realtime for faster, more efficient gas leak surveys. This nimble, affordable alternative to FLIR’s industry-leading cooled optical gas imagers was designed for use by renewable energy producers, at natural gas power plants, and at locations along the natural gas supply chain.

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The Groundbreaking, Affordable OGI Camera

  • Spectral Filtering for Methane

    By filtering for methane and similar gases, the GF77 improves detection while also reducing false negatives from gases that absorb in other wavelengths.

  • Robust Camera Features

    From laser-assisted autofocus to 1-Touch Level/Span contrast enhancement, the GF77 offers the latest high-tech features you’d expect from FLIR.

  • Designed for Your Workday

    Designed with a 180° rotating optical block and an eyepiece viewfinder for all-day use, and packed with reporting features that help you organize your findings in the field.

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≤100 °C ± 3°C, >100°C ±3% for ambient temperature 15 to 35°C (59 to 95°F)
Detector Type
Uncooled microbolometer
Field of view (FOV)
25° x 19°
IR Resolution
320 × 240 (76,800 pixels)
Standard Temperature Range
Range 1: -20 to 80°C (-4 to 158°F)
Ambient temperature range
–15°C to 50°C (5°F to 122°F)
IP 54 (IEC 60529)
Standard, 1/4"-20
Operating Temperature Range
–15 to 50°C (5 to 122°F)
Shock & Vibration
25 g (IEC 60068-2-27) / 2 g (IEC 60068-2-6)
Storage Temperature Range
–40 to 70°C (–40 to 158°F)
Imaging & Optical
Detector Pitch
25 µm
Focal Length
18 mm (0.71 in)
Frame Rate [Full Window]
30 Hz
Minimum Focus Distance
0.3 m (0.98 ft)
Spectral Range
7 to 8.5 µm
Non-Radiometric IR Video
H.264 to memory card
On Camera Display
640 × 480 pixel (QVGA) 4" touchscreen LCD with auto-rotation
Visual Image
5 MP visible camera with LED light
Battery type
Rechargeable Li-ion battery
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Export Restrictions

Export Restrictions

The information contained in this page pertains to a dual use product controlled for export by the Export Administration Regulations (EAR). Diversion contrary to US law is prohibited. US Department of Commerce authorization is not required prior to export or transfer to foreign persons or parties unless otherwise prohibited.