[Editor’s note: When we last visited with lead installer John and his helper Charlie (The NEWS, March 5, 2007), they had just learned the hard way that there’s a lot more to sealing ducts than just ...

Technicians new to static pressure measurement often wrestle with frustration and doubt as they learn this new skill. Two of the most common issues are uncertainty about pressure measurement results ...

Zhong Lin Wang of the Georgia Institute of Technology has worked for years to develop devices based on the triboelectric effect—the phenomenon behind static electricity. The effect happens when one ...

There are essentially four different types of pressure measurement transmitters. Absolute pressure transmitters measure against a vacuum, meaning that if no pressure is applied, the reading would ...