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This time we’re finishing up our discussion of thermal diffusivity before moving on to further discussion of thermodynamics. Hopefully taking these topics a step at a time is doing its job and will allow you to absorb the knowledge more easily, and hold onto it longer. In The Snell Group’s Level I course, we see several [...] We’re partly through our discussion of thermal diffusivity in our series on basic thermodynamics for the field thermographer. It is not our intent to have the reader become an expert in heat transfer theory. But it is important to understand the variables that effect thermal diffusivity and how this concept impacts the thermal world we [...] There’s a lot written about electrical safety as it applies to infrared inspections. The danger of electric shock and exposure to arc flash hazards must be considered when inspecting electrical apparatus with thermography. What isn’t discussed nearly as often are the hazards associated with mechanical infrared inspections, of which there are many. Roller Bearing
The punch line to the old joke, “How do you get to Carnegie Hall?” is three simple words, “Practice, practice, practice.” The same would hold true if there was a thermographic equivalent to Carnegie Hall. You’d get there with practice … lots of it! Some folks who come to Level I infrared training, however, express that [...] To watch this video, click on the Ti125: Ti125 Thermal Imaging Made Easy
The choices in the infrared camera market extend beyond just camera features like resolution, Bluetooth capability and storage card size. These days the market of infrared camera accessories is a separate category in its own right. Additional lenses are among the most popular choices for addition to your basic thermal imaging camera platform, but does [...] One of the most widely used features added to cameras in recent years is the “auto” button or “auto range” setting. In “auto mode,” or with the touch of the “auto button,” your imager will automatically adjust the level and span setting to account for the warmest and coolest items in the field of view [...] Recently, I had a Level I student ask me a question I’d never heard before. He asked why there were so many palette choices on his infrared camera. Often I’m asked which palette works best, or which my personal preference is. I’d never had anyone ask me why there are so many choices. He went [...] After years of working with new thermographers in our training classes, I’ve learned a lot about how people learn. First, we never get it right the first time! Don’t worry about making mistakes, in fact, it is important to make them. But it is also equally important to learn from them. In class we let [...] |
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