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

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

Gas Sensitivity [NECL]: CH₄: <100 ppm × m; N₂O: <75 ppm × m; C₃H₈: <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, >100°C ±3% for ambient temperature 15 to 35°C (59 to 95°F)

Spectral Range: 7 to 8.5 µm

Imaging & Optical

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

Detector Pitch: 25 µm

Detector Type: Uncooled microbolometer

Digital Zoom: 1-6× continuous

Field of View (FOV): 25° × 19°

f-number: 1.04

Focal Length: 18 mm (0.71 in)

Frame Rate [Full Window]: 30 Hz

Image Frequency: 30 Hz

Infrared Resolution: 320 × 240 pixels

Minimum Focus Distance: 0.3 m (0.98 ft)

Minimum Focus Distance with MSX: 0.65 m (2.1 ft)

Non-Radiometric IR Video: 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): 1.4 mrad/pixel

Spectral Range: 7 to 8.5 µm

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

Visual Image: 5 MP visible camera with LED light

Measurement & Analysis

Detects Following Gases: Methane, nitrous oxide, propane, sulfur dioxide, R-134a, and R-152a

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]: 1.54 kg (3.4 lb) with 25° lens

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: 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)