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Liquid Flow Meters: Types, Benefits, & Applications

The liquid flow meter is supposed to be an extremely effective device for measuring the mass, volumetric, linear, and nonlinear rate of flow of a liquid. We know that the precise flow rate would be calculated by accurately measuring the velocity of the liquid. There are several kinds of liquid flow meters. You must choose a particular type depending on the type and application of the liquid. Further, the installation and nature of a specific fluid would be influencing the precise kind of liquid flow meter to be chosen.

Liquid Flow Meter Applications

There are five different kinds of liquid flow meters. They are Differential Pressure, Positive Displacement, Velocity, Open Channel and Mass.

Benefits of Liquid Flow Meters

Today, liquid flow meters have established themselves as mandatory instruments in several different industries. With the huge technological leap, new industries are coming up and there is a more focus on accurate measurement. Consistent development of all these instruments has resulted in the phenomenal advancement of several diverse industries and an ever-increasing range of applications. You may contact Smart Measurement for more information on flow meters and high-quality inventory.

Used in Wide-Range Applications

Today, all types of liquid flow meters are used in various industrial applications. Some of the industries that are benefitted by liquid flow meters are:

  • Petrochemical

  • Fuel & Oil

  • Chemical

  • Food & Beverages

  • Pharmaceutical

  • Grease, Paints, & Coating

The use of flow meters is not restricted to the various universities. They are utilized for educational purposes widely across the university engineering and science programs. These flow meters are known to be utilized in various housing projects for tracking the accurate amount of water used.

Liquid flow meters have been engineered to withstand extremely rough conditions and provide accurate and reliable results despite extremes in pressure and temperature and unstable weather conditions. These instruments are typically used with control valves that can normalize flow and direct the fluid properly, thus maintaining the optimal level of pressure. Even beyond measurement, liquid flow meters are very useful in handling fluids, and can even conserve water by detecting pipe leaks.

Differential Pressure Flow Meters

We know that the oil & gas industries and refineries are hugely reliant on differential pressure flow meters to use them in all liquid or fluid flow measurement applications.

  • Suitable for both steam & gas measurement.

  • Low-pressure drop meant for nozzles.

  • Withstands extremes of temperatures & pressure.

  • They have the ability to modify range.

Electromagnetic Flow Meters

According to, we know that “Liquid flow meters are essential in measuring the displacement or bulk movement of liquids in an application. There are various types of flow quantification devices available, and one such type is an electromagnetic flow meter. It is considered to be the third most popular type of meter behind differential pressure and positive displacement flow meters.”

  • Foremost benefit is fixed parts.

  • Withstands several changes in viscosity, density, electrical conductivity, and temperature.

  • Not impacted by any contamination of a liquid.

  • Low cost of maintenance and easy to maintain.

  • Ability to function in both directions.

Coriolis Flow Meters

  • Precise mass flow measurements.

  • Able to measure both temperature & density.

  • Self-draining.

  • Forever bi-directional liquid flow.


Liquid flow meters are absolutely necessary for measuring the bulk movement or displacement of fluids or liquids in many industrial applications.

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