What is a Flow Meter?Flow Meter DefinitionA flow meter is defined as a device that measures the flow rate of solids, liquids, or gases.Types of Flow MetersThe main types of flow meters include positive displacement, mass, differential pressure, velocity, optical, and open channel flow meters.Positive Displacement Flow MetersThese meters measure fluid flow by trapping fluid in a chamber and are robust against turbulence.Mass Flow MetersThese meters measure the mass of the fluid flowing through th