Fluidic flowmeters
These flowmeters use the natural oscillations that can occur as fluids flow past an obstruction, such as make a flag flap on a flagpole. The sensing of these oscillations is fairly difficult, particularly if the pipeline itself has extraneous noise, so they are used on some specific flowmeter applications, and not typically by OEMs.Visit the Titan Enterprises website for more information on Fluidic flowmeters