FLIR GF77
Uncooled Optical Gas Imaging Camera
Product Variations
Detect Gas Leaks at Substations and More
The FLIR GF77 is a groundbreaking uncooled optical gas imaging camera with interchangeable lens options that detect methane, sulfur hexafluoride (SF6), ethylene, ammonia, and other gas emissions. Capable of both gas detection and radiometric temperature measurement for thermal inspections, the GF77 is ideal for electric power utilities, oil and natural gas operations, chemical/manufacturing facilities, the food and agriculture industry, and first responders. This affordable solution offers the benefit of built-in thermographic calibrations and the flexibility to detect a wide range of gases by simply changing lenses. The purchase of a GF77 camera includes a 3-month subscription to FLIR Thermal Studio Pro and FLIR Route Creator.
A Versatile Solution for Gas Detection and Thermal Inspection
Safely locate gas leaks and perform accurate thermal inspections using one camera.
From laser-assisted autofocus to 1-Touch Level/Span contrast enhancement, the GF77 offers the latest high-tech features while remaining affordable.
Work easier with the ergonomic design, tools to organize findings in the field such as GPS, Wi-Fi, and annotation, plus rapid-reporting capabilities.
Specifications
| Highlighted | |
|---|---|
| IR Resolution | 320 × 240 (76,800 pixels) |
| Gas Sensitivity [NECL] | LR lens: CH₄: <100 ppm × m, N₂O: <75 ppm × m, CH₈: <400 ppm × m, SO₂: <30 ppm × m, R-134a: <20 ppm × m, R-152a: <100 ppm × m
HR lens: SF6: <1 ppm × m, C₂H₄: <20 ppm × m, NH: <20 ppm × m, R-12: <4 ppm × m (ΔT = 10°C, Distance = 1 m) |
| Detector Pitch | 25 µm |
| Accuracy | ≤100 °C ± 3°C (±5.4°F), >100°C ±3% for ambient temperature 15 to 35°C (59 to 95°F) |
| Spectral Range | LR: 7-8.5 µm, HR: 9.5-12 µm |
| Imaging & Optical | |
|---|---|
| Available Lenses | 25° HR, 25° LR, 6° HR, 6° LR. (Service calibration required) |
| Detector Pitch | 25 µm |
| Detector Type | Uncooled microbolometer |
| Digital Zoom | 1–6× continuous |
| f number | 25° lens: 1.04, 6° lens: 1.35 |
| Field of view [FOV] | 25° lens: 25° × 19°, 6° lens: 6.4° × 4.9° |
| Focal Length | 25° lens: 18 mm (0.71 in), 6° lens: 74 mm (2.9 in) |
| Frame Rate [Full Window] | 30 Hz |
| Gas Sensitivity [NECL] | LR lens: CH₄: <100 ppm × m, N₂O: <75 ppm × m, CH₈: <400 ppm × m, SO₂: <30 ppm × m, R-134a: <20 ppm × m, R-152a: <100 ppm × m
HR lens: SF6: <1 ppm × m, C₂H₄: <20 ppm × m, NH: <20 ppm × m, R-12: <4 ppm × m (ΔT = 10°C, Distance = 1 m) |
| Image Frequency | 30 Hz |
| Infrared Resolution | 320 × 240 pixels |
| IR Resolution | 320 × 240 (76,800 pixels) |
| Minimum Focus Distance | 25° lens: 0.3 m (0.98 ft), 6° lens: 5 m (16.4 ft) |
| Minimum Focus Distance with MSX | 25° lens: 0.65 m (2.1 ft) |
| Non_Radiometric IR Video | H.264 to memory card |
| Non_radiometric IR video recording | H.264 to memory card |
| Non_radiometric IR video streaming | H.264, MPEG-4 over RTSP over Wi-Fi; MJPEG over UVC or Wi-Fi |
| On Camera Display | 640 × 480 pixel (QVGA) 4" touchscreen LCD with auto-rotation |
| Radiometric IR video recording | Real-time radiometric recording (.csq) |
| Radiometric IR video streaming | Compressed, over UVC |
| Spatial resolution [IFOV] | 25° lens: 1.4 mrad/pixel, 6° lens: 0.36 mrad/pixel |
| Spectral Range | LR: 7-8.5 µm, HR: 9.5-12 µm |
| Thermal Sensitivity_NETD | 25° lens: <25 mK at 30°C (86°F), 6° lens: <40 mK at 30°C (86°F) |
| Visual Image | 5 MP visible camera with LED light |
| Visual Video Recording | H.264 to memory card |
| Measurement & Analysis | |
|---|---|
| Accuracy | ≤100 °C ± 3°C (±5.4°F), >100°C ±3% for ambient temperature 15 to 35°C (59 to 95°F) |
| Detects Following Gases | LR lens: methane, nitrous oxide, propane, sulfur dioxide, R-134a and R-152a; HR lens: sulfur hexafluoride, ammonia, ethylene |
| Object Temperature Range | Range 1: -20° to 80°C (-4° to 176°F), Range 2: 0° to 250°C (212° to 482°F), Range 3: 100° to 500°C (32° to 932°F) |
| Communication & Data Storage | |
|---|---|
| Image File Format | Standard JPEG, measurement data included. Infrared-only mode |
| Interfaces | USB 2.0, Bluetooth®, Wi-Fi, DisplayPort |
| Storage Media | Removable SD card |
| General | |
|---|---|
| Size [L × W × H] | Lens vertical: 150.5 × 201.3 × 84.1 mm (5.9 × 7.9 × 3.3 in), Lens horizontal: 150.5 × 201.3 ×167.3 mm (5.9 × 7.9 × 6.6 in) |
| Weight [incl lens & batteries] | FLIR GF77 25° (1): 1.54 kg (3.4 lb) FLIR GF77 25° (2): 1.68 kg (3.7 lb) FLIR GF77 25° (1) + 6° (1): 1.9 kg (4.2 lb) FLIR GF77 25° (2) + 6° (1): 2.05 kg (4.51 lb) |
| Power | |
|---|---|
| Battery operating time | >4 hours at 25°C (68°F) with typical use |
| Battery Type | Rechargeable Li-ion battery |
| Battery voltage | 3.6 V |
| Environmental & Certifications | |
|---|---|
| Ambient temperature range | –15°C to 50°C (5°F to 122°F) |
| Encapsulation | IP 54 (IEC 60529) |
| Mounting | UNC ¼″-20 |
| Operating Temperature Range | –15 to 50°C (5 to 122°F) |
| Safety | EN/UL/CSA/PSE 60950-1 |
| Shock and Vibration | 25 g (IEC 60068-2-27) / 2 g (IEC 60068-2-6) |
| Storage Temperature Range | –40 to 70°C (–40 to 158°F) |
Accessories
Resources & Support
Note: You must be logged in to download software or firmware. Login or create an account.
Firmware Download
FLIR Camera Firmware [GF7x]
Selection Guide
FLIR GF Camera Gas Comparison Matrix
Brochure
FLIR OGI Brochure (Optical Gas Imaging)
Tech Note
Cooled Vs Uncooled Tech Note
Tech Note
Cooled Vs Uncooled Tech Note A4
Datasheet
GF77 Datasheet
Application Story
FLIR Si124 Application Story - Keeping the Lights On and Preventing Failures
Brochure
FLIR Global Utility Market Brochure
Warranty
FLIR-Limited_Warranty-2-10-US_Only - (rev. MAR2024) - 3.20.2024[80]
Brochure
FLIR CARE and FLIR PROTECT Service and Extended Warranty Packages Brochure
Datasheet
FLIR CARE and FLIR PROTECT Service and Extended Warranty Packages Datasheet
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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.