What are the Different types of Flow Measurement Method

What are the Different types of Flow Measurement Method explained below
Types of flow measurment method are Mechanical Flowmeter, Piston Meters, Turbine Flow Meter, Variable Area Meter, Woltman Meter , Single Jet Meter, Paddle Wheel Meter, Nutating Disc Meter, Oval Gear Meter, Pelton Meter, Pressure drop-based Flow Meter, Orifice Plate, Pitot Tube, Venturi meter, Vortex Flowmeter , Optical Flowmeters , Thermal Mass Flowmeter, Ultrasonic Flowmeters, Electromagnetic Flowmeters, Coriolis Mass Flowmeter.
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