A flow meter is a device that measures the flow rate of a fluid. They measure the linear, nonlinear, mass, or volumetric flow of a gas or a liquid. Flow meters are known as flow gauges and flow measurement instruments.

For a comprehensive understanding of this topic, I recommend this textbook Flow Measurements Handbook by ROGER C BAKER https://shrsl.com/3neix

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There are two broad types of flow meters widely used in industries;

1. Volumetric flow meters 2. Mass flow meters.

A volumetric flow meter measures the fluid volume passing through a specific location in a set period.

various types of volumetric flow rates available are;

Differential head type ( orifice plate, venturi meters, annular, rotameter, etc)

Electromagnetic flow meters

Ultrasonic flow meters

Turbine flow meters

Vortex flow meters

Positive displacement meters.

Mass flow meters measure the mass flow rate that travels through a tube per unit of time. There are two types of mass flow meters;

Coriolis Mass flow meter

Thermal mass flow meter.

A brief description of these various types of flow meters, advantages, and disadvantages. Also, the general application of flow meters was discussed in the video.

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