{"id":21962,"date":"2022-06-08T09:00:00","date_gmt":"2022-06-08T08:00:00","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=21962"},"modified":"2022-06-07T10:25:51","modified_gmt":"2022-06-07T09:25:51","slug":"10-tips-for-getting-the-most-out-of-an-optical-gas-imaging-camera","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/10-tips-for-getting-the-most-out-of-an-optical-gas-imaging-camera\/","title":{"rendered":"10 tips for getting the most out of an optical gas imaging camera"},"content":{"rendered":"\n

Through optical gas imaging (OGI) technology, the oil and gas industry can incorporate a safer, more efficient \u2018Smart LDAR\u2019 (Leak Detection and Repair) programne. Inspectors can detect fugitive emissions and leaks faster and pinpoint the source immediately, leading to prompt repairs, reduced industrial emissions, and greater conformity to regulations. In addition, OGI saves money, not only through efficiency but more importantly by improving the safety of company personnel and assets.<\/p>\n\n\n\n

\"\"<\/a>
The FLIR GFx320 OGI camera visualises most hydrocarbons used in the oil and gas industry, and carries an Intrinsic Safety designation<\/figcaption><\/figure><\/div>\n\n\n\n

The following tips will help you get the most out of OGI equipment:<\/p>\n\n\n\n

1. Understand the application and the need<\/strong><\/p>\n\n\n\n

Different applications require different cameras. In other words: one camera may not see all the gases, so you need to understand which type of gas you are dealing with. For example, a VOC\/hydrocarbon OGI camera will not see SF6, and a CO camera will not see refrigerants.<\/p>\n\n\n\n

2. Take the environment into account<\/strong><\/p>\n\n\n\n

The success of OGI depends on environmental conditions. The greater the background energy differential, the easier the camera will be able to visualise the gas leak and pinpoint its source. Active optical gas imaging (i.e. using a laser-based backscattering technique) relies on a reflective surface in the background. This presents a significant challenge when you are looking at components high up and pointing the camera at the sky. Also, rain and strong winds need to be considered. Rain can make detection very difficult, but wind can help visualise the gas because it makes the gas move.<\/p>\n\n\n\n

\"\"<\/a>
The GFx320\/GF320 cameras can detect natural gas emissions, such as this compressor valve leak<\/figcaption><\/figure><\/div>\n\n\n\n

3. Remember: OGI is qualitative, not quantitative*<\/strong><\/p>\n\n\n\n

Due to the environmental variants and the background energy differential and variations, an OGI camera alone cannot determine the specific type or amount of gas escaping through a leak.<\/p>\n\n\n\n

The exception to this general rule comes from pairing the OGI camera with a companion technology such as the FLIR QL320<\/a><\/strong>. This product works with the FLIR GF320, FLIR GFx320, and FLIR GF620 to measure mass leak rates (lb\/h or g\/h) or volumetric leak rates (cc\/min or L\/min) for most hydrocarbons.<\/p>\n\n\n\n

4. Use all the features of your OGI camera<\/strong><\/p>\n\n\n\n

Learn how each feature of the OGI camera works\u2014such as automatic GPS tagging or image enhancements\u2014and use them to your advantage. Small concentrations of gases can be difficult to see sometimes, even with an OGI camera. High Sensitivity Mode (HSM) enhances the image so even small concentrations of gas are visible. Notation features, such as GPS tagging, can be critical to ensuring crews make the repairs on the correct asset.<\/p>\n\n\n\n

5. Measure temperature correctly<\/strong><\/p>\n\n\n\n

Many OGI cameras are temperature-calibrated, making them dual-use systems. They are suitable for industrial maintenance inspections because they can measure and record temperatures across the scene and save the data to a JPEG or video. You can use these cameras to detect hot spots or electrical problems in high- and low-voltage electrical installations or mechanical installations, or to look for insulation failures in pipework, ovens and much more.<\/p>\n\n\n\n

The thermographic function on your OGI camera can also help you improve the visual contrast between a gas cloud and the background scene. Unlike with other thermographic applications, your object of detection (gas) has no visual representation. You can only see the cloud by creating a radiant contrast between the cloud and the background. The cloud itself reflects almost no radiation. The key to making the cloud visible is enhancing the temperature difference (\u2206T) between the cloud and the background.<\/p>\n\n\n\n

\"\"<\/a>
Thermal imaging with the GF306 can detect SF6 leaks from plumbing or circuit breakers<\/figcaption><\/figure><\/div>\n\n\n\n

6. Use the camera\u2019s advantages to keep safe<\/strong><\/p>\n\n\n\n

Gas imaging cameras are a quick, non-contact method for detecting leaks in hazardous or hard-to-reach areas. They are sensitive enough to detect small leaks from several meters away and large leaks from hundreds of meters away. Many offer visual enhancements such as HSM, which can improve detection of leaks that are small or low in concentration.<\/p>\n\n\n\n

Because OGI allows you to detect gas emissions from a safe distance, you should use it to your advantage.<\/p>\n\n\n\n

Beginning outside of the main work area, take an initial scan of the area to determine if there are any large<\/p>\n\n\n\n

gas leaks visible. Then, you can move in closer for more specific scans. Be sure to wear appropriate safety gear and store and transport your OGI camera in its provided case. Also, keeping up with camera maintenance will insure it doesn\u2019t become its own safety hazard.<\/p>\n\n\n\n

7. Work with permits<\/strong><\/p>\n\n\n\n

OGI cameras in general are not Zone 1 ATEX certified. Therefore, you will need to apply for a \u2018Hot Work Permit\u2019 or use it under a \u2018Permit to work scheme\u2019 for Zone 1 work.<\/p>\n\n\n\n

Permits are also needed when using OGI cameras in Zone 2, with one possible exception: the FLIR GFx320, a hazardous locations compliant, certified Zone 2-compliant OGI camera for detecting hydrocarbons. Some company guidelines allow this camera to be used in Zone 2 without a hot work permit.<\/p>\n\n\n\n

Remember, any top-notch OGI camera will allow you to see significant and dangerous leaks from a safe zone, even outside of the facility perimeter.<\/p>\n\n\n\n

\"\"<\/a>
A pressure gauge leaks gas byproducts of chemical manufacturing<\/figcaption><\/figure><\/div>\n\n\n\n

In many cases, an OGI camera can pay for itself on the very first day. Surveys performed with an OGI camera are generally nine-times faster than with traditional leak detecting technology, and they can help you detect leaks you might miss with a sniffer.<\/p>\n\n\n\n

8. Keep track of your return-on-investment<\/strong><\/p>\n\n\n\n

OGI is also a non-contact method that can be performed during normal operations\u2014so companies do not lose revenue to shutdowns. Plus, by catching leaks early and making repairs quickly, companies can both avoid fines and retain gases they could sell for profit.<\/p>\n\n\n\n

9. Consider future industrial emissions regulations<\/strong><\/p>\n\n\n\n

Fugitive gas emissions contribute to global warming and can potentially pose deadly risks to both workers and people living close to these facilities. Because FLIR OGI cameras detect dozens of volatile organic compounds, such as benzene, they help contribute to a healthier environment while allowing companies to comply with existing industrial emissions regulations. These regulations are not static: there is always the chance government regulators such as the US Environmental Protection Agency or the EU Industrial Emissions Directive could adopt more strict rules on fugitive emissions. Having the right tools to meet these regulations puts your company ahead.<\/p>\n\n\n\n

\"\"<\/a>
Refrigerant leaks from car air conditioning in High Sensitivity Mode (HSM)<\/figcaption><\/figure><\/div>\n\n\n\n

10. Get the right training<\/strong><\/p>\n\n\n\n

Learn from experienced and qualified OGI users to get the most out of your camera. You might follow a training course by quality organisations such as the Infrared Training Center (www.infraredtraining.com).<\/p>\n\n\n\n

The ITC offers low-cost online training called \u2018OGI Fundamentals\u2019 as well as a three-day Optical Gas Imaging certification class covering: the setup and operation of FLIR GF-Series cameras, which gases these cameras can see, and how environmental conditions affect gas leak detection. The OGI Certification training includes classroom instruction, hands-on demonstration labs and includes continental breakfast and lunch.<\/p>\n\n\n\n

Students completing the training course will receive an OGI Infrared Thermography Certification and a wallet ID card.<\/p>\n","protected":false},"excerpt":{"rendered":"

Through optical gas imaging (OGI) technology, the oil and gas industry can incorporate a safer, more efficient \u2018Smart LDAR\u2019 (Leak Detection and Repair) programne. Inspectors can detect fugitive emissions and leaks faster and pinpoint the source immediately, leading to prompt repairs, reduced industrial emissions, and greater conformity to regulations. In addition, OGI saves money, not …<\/p>\n","protected":false},"author":1,"featured_media":21963,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[10351],"class_list":["post-21962","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-oil-gas","tag-flir-ql320"],"yoast_head":"\n10 tips for getting the most out of an optical gas imaging camera - Engineer News Network<\/title>\n<meta name=\"description\" content=\"Through optical gas imaging (OGI) technology, the oil and gas industry can incorporate a safer, more efficient \u2018Smart LDAR\u2019 (Leak Detection and Repair) programne. Inspectors can detect fugitive emissions and leaks faster and pinpoint the source immediately, leading to prompt repairs, reduced industrial emissions, and greater conformity to regulations\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engineernewsnetwork.com\/blog\/10-tips-for-getting-the-most-out-of-an-optical-gas-imaging-camera\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"10 tips for getting the most out of an optical gas imaging camera - Engineer News Network\" \/>\n<meta property=\"og:description\" content=\"Through optical gas imaging (OGI) technology, the oil and gas industry can incorporate a safer, more efficient \u2018Smart LDAR\u2019 (Leak Detection and Repair) programne. 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