FLIR G-Series
Optical Gas Imaging (OGI) Cameras for Hydrocarbons
The FLIR G-Series, Gx320, G620, and Gx620 are innovative Optical Gas Imaging (OGI) cameras designed to detect hydrocarbons, methane (CH₄), and other Volatile Organic Compound (VOC) emissions from multiple stages of the oil and gas supply chain, as well as other industrial markets.

With up to 640 × 480 (307,200 pixels) thermal resolution, FLIR G-Series cameras have innovative gas quantification analytics that measure leak type and severity inside the camera, eliminating the need for a secondary device. While all models are OOOOa certified, the FLIR Gx320 and Gx620 are ATEX compliant, making these camera models ideal for detecting gas emissions in complex systems including refineries, petrochemical facilities, natural gas well pads, compression stations, and power generation plants.
Professional Reports that Help Your Customer and Your Business
The right image analysis and reporting software can greatly improve your business by making it easier for you and your customers to understand the problem and feel confident that you fixed it. The advanced analysis and decision-making support offered in FLIR Thermal Studio Pro includes a rich set of measurement tools, batch processing, the ability to pre-plan inspection routes, and customized report templates.
Technical Specifications | |
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IR Resolution | 320 × 240 thermal resolution (76,800 pixels) |
Detector Pitch | 30 μm |
Accuracy | ±1°C (±1.8°F) for temperature range 0°C to 100°C (32°F to 212°F) or ±2% of reading for temperature range >100°C (>212°F) |
Spectral Range | 3.2 µm to 3.4 µm |
Hazardous Location Compliance | ATEX/IECEx, Ex ic nC op is IIC T4 Gc II 3 G ANSI/ISA-12.12.01-2013, Class I Division 2 CSA 22.2 No. 213, Class I Division 2 |
What Types of Gases Can You See With an OGI Camera?
Use the chart to determine which G-Series cameras are best suited to your application.
Download the entire list of gases and the GF models that can detect them.
Features
Below, you will find the main features of the product.
Superior gas visualization and quantification
Revolutionary gas leak-detection features including quantification analytics inside the camera which measures the type and size of leaks, eliminating the need for a secondary device
Record and report findings efficiently
Built-in Wi-Fi and Bluetooth® allow you to connect to smartphones or tablets and effortlessly edit and store images in the cloud, or wirelessly transfer files using the included FLIR Ignite™ cloud service
Ergonomic for comfortable operation
Comfortably operate and interact with your G-Series camera thanks to its rotating 10.16 cm (4 in) LCD touchscreen, which allows you view targets from any direction
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