Turbine flow meters measure the flow rate by using a rotor that spins as fluid flows through it. The rotor is mounted on a shaft within the flow meter body, and as the fluid impinges on the rotor blades, it causes the rotor to spin. The rotational speed of the rotor is proportional to the flow velocity. Sensors detect the rotation and convert it into an electrical signal, which is then used to calculate the flow rate.
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