The Turbine Flow meter is used for the measurement of liquid flow rate. It works on the principle of Turbine. A turbine flow meter is constructed with rotor and blades that use the mechanical energy of the fluid to rotate the rotor in the flow stream. Blades on the rotor are angled to transform energy from the flow stream into rotational energy. The rotor shaft spins on bearings - When the fluid moves faster, the rotor spins proportionally faster.
Electronet series FL-204 are Four Wire Turbine Flow Transmitter specially used for various industrial applications.
The flowing media engages a vaned rotor causing it to rotate at an angular velocity proportional to flow rate. The pick-up coil senses the spinning motion of the rotor inside the pipe & converts it into a pulsating electrical signal.
Summation of the pulsating electrical signal is directly related to the total flow. The frequency is linearly proportional to flow rate which is converted to electrical signal 4 - 20 mA.
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