Optical Gas Imaging Camera


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The FLIR GF343 is an optical gas imaging camera that lets you see carbon dioxide leaks quickly, easily, and from a safe distance. Whether CO2 is a byproduct of a production process, a trace gas used to detect hydrogen leaks from power generators, or part of an enhanced oil recovery program, fast and accurate detection of CO2 is key to keeping your operation running safely, efficiently, and profitably.

Fast, Unbeatable Gas Detection

  • Visualize Gas in Real Time

    The GF343 displays the optical gas image in real-time, so you can quickly scan large areas for signs of gas emissions.

  • Trace Hydrogen Leaks to their Source

    By adding 3-4% CO2 to hydrogen as a tracer gas, the GF343 can localize leaks and verify repairs.

  • Decrease Downtime, Save Money

    Use the GF343 during regular operations to find leaks and confirm repairs—avoiding outages as well as costly regulatory fines.

The Sensitivity to Visualize Even Small Leaks

The Sensitivity to Visualize Even Small Leaks

With its superior resolution, thermal sensitivity, and the option of a High Sensitivity Mode, the FLIR GF343 allows you to visualize leaks so you can pinpoint the exact source of the emissions and begin repairs immediately. In addition, the GF343 can accurately measure temperatures, allowing you to note temperature differentials and improve visual contrast for better gas plume detection.

Detector Type
Focal plane array, cooled InSb
Standard, 1/4"-20
Spectral Range
4.2 – 4.4 µm
Weight [incl lens & batteries]
2.48 kg (5.47 lb.)
1-8x continuous, digital zoom
Size [L x W x H ] w Lens
306 × 169 × 161 mm (12.0 × 6.7 × 6.3 in.)
Connections & Communications
Storage Media
Removable SD or SDHC memory card; two card slots
IP 54 (IEC 60529)
Operating Temperature Range
–20°C to +50°C (–4°F to +122°F)
Storage Temperature Range
–30°C to +60°C (–22°F to +140°F)
Imaging & Optical
Camera Control
Remote camera control via USB
Camera f-number
Color palettes
Iron, Gray, Rainbow, Arctic, Lava, Rainbow HC
Detector Pitch
30 µm
Dynamic Range
Automatic (one touch) or manual (electric or on the lens)
Frame Rate [Full Window]
60 Hz
Global Positionsing System [GPS]
Location data stored with every image
Image Modes
IR image, visual image, High Sensitivity Mode (HSM)
Menu Commands
Level/span, auto adjust continuous/manual/semi-automatic, zoom, palette, start/stop recording, store image, playback/recall image
320 x 240 pixels
Sensor Cooling
Stirling Microcooler (FLIR MC-3)
Available Fixed Lenses
14.5° (38 mm), 24° (23 mm)
On Camera Display
Built-in widescreen, 4.3 in. LCD, 800 x 480 pixels
Video Recording & Streaming
Real-time non-radiometric recording: MPEG4/H.264 (up to 60 min./clip) to memory card Real-time non-radiometric streaming: RTP/MPEG4
Visual Image
3.2 MP from integrated visible camera
Visual Video
MPEG4 (25 min./clip) to memory card
Measurement & Analysis
< 15 mK @ +30°C (+86°F)
Automatic Gain Control
Continuous/manual, linear, histogram
25 g (IEC 60068-2-27) / 2 g (IEC 60068-2-6)
AC adapter 90-260 VAC, 50/60 Hz or 12 V from a vehicle
Battery System
Rechargeable Li-ion battery
Shipping Information
Packaging Size
400 x 190 x 510 mm (15.7 x 7.5 x 20.1 in.)
Storage Media
Image Storage Capacity
> 1200 images (JPEG) with post-process capability per GB on memory card

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