FLIR FLIR GF77 25° LR (7-8.5 µm) + 6° LR (7-8.5 µm) Gas Find IR (320 × 240 (76,800 pixel); 25° HR và 6° HR; 7-8.5 µm)

IR Resolution: 320 × 240 (76,800 pixels)

Gas Sensitivity [NECL]: 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 (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: 7-8.5 µm

Imaging & Optical

Available Lenses: 25° HR and 6° HR (service calibration required)

Detector Pitch: 25 µm

Detector Type: Uncooled microbolometer

Digital Zoom: 1–6× continuous

Field of View (FOV): 25° lens: 25° × 19°, 6° lens: 6.4° × 4.9°

f-number: 25° lens: 1.04, 6° lens: 1.35

Focal Length: 25° lens: 18 mm (0.71 in), 6° lens: 74 mm (2.9 in)

Gas Sensitivity [NECL]: 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 (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 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

Thermal Sensitivity/NETD: 25° lens: <25 mK at 30°C (86°F), 6° lens: <40 mK at 30°C (86°F)

Measurement & Analysis

Accuracy: ≤100 °C ± 3°C (±5.4°F), >100°C ±3% for ambient temperature 15 to 35°C (59 to 95°F)

Standard Temperature Range: (Not specified)

Communication & Data Storage

Image File Format: Standard JPEG, measurement data included. Infrared-only mode

Interface: 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]: 1.9 kg (4.2 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

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 & Vibration: 25 g (IEC 60068-2-27) / 2 g (IEC 60068-2-6)

Storage Temperature Range: –40 to 70°C (–40 to 158°F)