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I am using SDP32 sensor and got the differential pressure value of the air. I want to convert this value to flow rate. What is the equation for that?
In general case pressure difference is described by Hagen–Poiseuille equation. In the case of pipe it can be described by more practical Darcy–Weisbach equation.
Simplest way, as i think, is to graduate your sensor by industrial flow meter.
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