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The ITC Optical Gas Imaging Certification Course is intended for users of FLIR Systems, Inc. OGI thermal cameras. Skilled users of the new FLIR GF-Series cameras and the legacy GasFindIR camera are capable of inspecting over 3,000 connections per day. Current sniffer technologies are limited to just about 500 connections per day. Students learn how to set up and effectively operate FLIR Optical Gas Imaging Cameras. You will learn how to optimally adjust your GF-series imager for varying environmental conditions to find gas leaks. Students will learn under what environmental conditions gas leaks are most easily found, somewhat easy to find, and those that are difficult to find. This class teaches students which gases can be found with FLIR Optical Gas Imaging Cameras and leak size limitations. Basic infrared theory and heat transfer concepts are introduced to build a strong foundation in thermal imaging.

No class can cover every circumstance, so an understanding of how these cameras work and what makes for optimum environmental conditions is essential. Lab and/or field practice in finding leaks is a key part of this class. Students will learn by doing and by observing numerous videos of leaks and what to look for including thermal contrast, gas plume motion, distance limitations, etc. Basic inspection procedures will be covered including equipment checkout, route planning, permitting requirements, safety practices & equipment plus reporting concepts. Upon successful completion of the course, including passing a closed-book written exam and submitting a field project, students will receive their training certification for optical gas imaging camera usage. After completing this class, students will be able to:

  • Explain the regulatory framework for optical gas imaging (OGI)
  • Describe the OGI certification process requirements
  • Demonstrate proper operation of a FLIR GasFindIR HSX or FLIR GF-Series infrared camera
  • Create a movie indicating a gas leak using FLIR Video Report software
  • Explain the basics of thermal science
  • Describe the three types of heat transfer
  • Explain the basics of infrared theory
  • Describe the four ways that IR radiation interacts with matter
  • State where mid-wave and long-wave infrared energy bands fit into the electromagnetic spectrum
  • Explain how optical gas imaging is a combination of art, science, technique and interpretive skills
  • List the basic safety practices for doing an OGI inspection


  • Attend each day of the three day course
  • Perform lab activities as instructed
  • Pass the final exam
  • Submit a course evaluation
  • Submit an acceptable field assignment within 60 days of the completion of this course

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itc Certified Thermography Training


Don’t see a training scheduled in your area? Our niche is to bring thermography classes to our clients, often at their facilities, anywhere in the USA and sometimes the outside country, too. If you have a few to a couple dozen people who will benefit from professional thermography training conducted locally to reduce travel cost and time away from work & home, give us a call. We may be able to set up a class just for you or in your area!  For classes in Canada call for exact class price as currency fluctuations have affected prices substantially in early 2016.

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