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A Comprehensive Comparison: VENTUS OGI vs. FLIR GFx320 for Optical Gas Imaging

Regarding Optical Gas Imaging (OGI) cameras, two popular options on the market are the VENTUS OGI and the FLIR GFx320. In this blog post, we will delve into the specifications of both cameras and compare their key features. By understanding the differences, you can make an informed decision when choosing the right OGI camera for your specific needs.

What is an Optical Gas Imaging (OGI) camera

Optical Gas Imaging (OGI) cameras are infrared cameras that can detect and visualize gas leaks. These cameras use a special filter to isolate the spectral range where gas molecules absorb the most light, allowing them to be seen by the camera's sensor. When used with specialized software, OGI cameras can create images or videos highlighting areas where gas is leaking.

The VENTUS OGI and FLIR GFx320 are both examples of OGI cameras. Both cameras have similar specifications, including high sensitivity and quick response times. However, there are some critical differences between the two models. The VENTUS OGI has a broader field of view than the FLIR GFx320, which means it can cover more area in less time. Additionally, the VENTUS OGI has a longer battery life than the FLIR GFx320, which makes it more suitable for longer jobs or remote locations.

VENTUS OGI mounted on a drone

One of the most innovative applications of the VENTUS OGI is mounting it on a drone. This allows for efficient and safe inspections of hard-to-reach areas such as pipelines, storage tanks, and flare stacks without putting personnel at risk. The VENTUS OGI mounted on a drone provides high-resolution imaging with real-time analysis capabilities, making it an essential tool for industrial inspection.

The VENTUS OGI can also detect volatile organic compounds (VOCs) from up to 100 meters. By being mounted on a drone, this technology can swiftly survey large areas quickly while providing accurate data to operators. With drones being more cost-effective and efficient than traditional inspection methods, using the VENTUS OGI mounted on them has become an attractive option for industrial companies.

Overall, combining VENTUS OGI technology with drone capabilities adds significant value to industries requiring regular monitoring and inspection. It offers unparalleled safety for workers while providing accurate information about potential leaks or hazards in facilities or fields. As drones continue to gain popularity in various industries worldwide, we can only expect combinations like this one to grow even further in their applications and usefulness.

Resolution and Detector Pitch

The VENTUS OGI boasts an impressive 640 x 512 pixels resolution, providing higher image clarity than the FLIR GFx320's 320 x 240 pixels. Additionally, the VENTUS OGI utilizes a smaller detector pitch of 15 µm, potentially offering more intricate details in captured images. Thermal Sensitivity: The VENTUS OGI has a maximum sensitivity of 300 mK, higher than the FLIR GFx320's maximum thermal sensitivity of 100 mK.

NETD and Accuracy

With a NETD of less than 50 mK, the VENTUS OGI exhibits superior sensitivity to temperature variations, making it ideal for detecting even subtle gas leaks. The FLIR GFx320 offers a NETD of less than 10 mK at 30°C, which is still commendable. In terms of accuracy, the FLIR GFx320 specifies ±1°C (±1.8°F) or ±2% of reading, depending on the temperature range.

Spectral Range and Field of View

The FLIR GFx320 operates within the 3.2 – 3.4 µm spectral range, whereas the VENTUS OGI uses MWIR technology without specifying a specific range. Moving on to the field of view, the FLIR GFx320 provides a broader perspective with its 24° × 18° FOV, while the VENTUS OGI offers different FOVs for its various lens models: 21.7º for 25 mm and 11º for 50 mm.

Operating Temperature Range and Mounting

The VENTUS OGI demonstrates its resilience in extreme conditions, with an operating temperature range of -35ºC to +65ºC, surpassing the FLIR GFx320's range of -20°C to 50°C. As for mounting options, the FLIR GFx320 offers standard 1/4 "-20 mounting, while the VENTUS OGI provides a 1/4-20 tripod mount and M3 tapped mounting holes for added versatility. The VENTUS OGI demonstrates its resilience in extreme conditions, with an operating temperature range of -35 C to 65 C, surpassing the FLIR GFx320's range of -20 C to 50 C.

Based on the specifications, the VENTUS OGI stands out with its higher resolution, smaller detector pitch, potentially greater detail, and broader operating temperature range, which makes it our recommendation.

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