In fluid dynamics, Vortex Shedding is a phenomenon where an oscillating flow appears during specific conditions. Vortex Flow Meter use this event to measure the liquid flow. The characteristics of such a meter are nonlinear and involve many environmental and fluid parameters. KAFTS Technologies, together with one of the National Engineering Laboratories, managed to characterise such a sensor for one of our clients. The scope of work included electronics design, firmware development, and inventing a methodology for a fast and reliable calibration. The results showed that by implementing a complete flow sensor model in the firmware, the accuracy exceeds expectations.

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