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HPAC Engineering, December 2007, Pitot-Tube Technology Helps Maintain...Click Below Image for Full Article
Hot-wire anemometers succumbed to lint contamination Airborne particulate not only degrades indoor-air quality, it can affect the performance of HVAC equipment. That was evident at the Rochester Institute of Technology (RIT) in Rochester, N.Y.... ...“The hot-wire anemometer performed exactly as it had before, collecting a coating of lint with our equipment, showing a linear degradation as the coating got thicker. After cleaning, the performance would bounce back up and then begin to degrade again. The pitot-tube device didn't degrade at all, and it required no cleaning. It's still performing up to spec and we haven’t had to clean it. Naturally, we don’t use the hot-wire anemometer anymore.”...
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