Category Archives: News and articles

Bernoulli and Flow Measurement

Gas and liquid Flow measurement in pipes has a long history and and it started some 300 years ago when an Italian physicist Daniel Bernoulli postulated his famous hydraulics principle and theorem in which the change in differential pressure is in … Continue reading

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Transit-Time Ultrasonic Flow Meters Explained

Ultrasonic flow meters based on the Doppler Effect, have been around for decades and they provide a great way to measure full pipeline flow without affecting the fluid passing the measurement point.  Like all flow meter measurement methods, they have … Continue reading

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Mobile Flow Meters in Construction

The Construction Industry is often seen (with some justification on past practices) by the general public in the manner of locusts descending on sites, laying waste and polluting the adjacent water courses and then moving on after permanently affecting the … Continue reading

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Coriolis Mass flowmeters – Applications

The number of different types of liquid flowmeters used in industry, is quite diverse and therefore it is advisable to understand the basic principles of most of them so that you, as a designer or performance specifier, can make an … Continue reading

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Electromagnetic And Ultrasonic Flowmeters

Electromagnetic flowmeters can be used with slurries and liquids as long as the liquid can conduct electricity. Mounted directly inside the pipe is the flow tube. The drop of pressure across the flowmeter is exactly the same to the one … Continue reading

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Mechanical Flow Meters

Mechanical flowmeters are the most commonly used meters for so-called pressurized systems. Propeller, positive displacement and vortex are three types of mechanical flowmeters.

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Laminar Vs Turbulent Flow

Because a pipe’s cross sectional area is known and remains the same before and after a flowmeter’s insertion, average velocity indicates flow rate. The viscosity and density of the liquid will affect flow rate, as will the friction of the … Continue reading

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Flowmeters For Agricultural Purposes

Agriculture is one industry where water flow rate must be measured, and there are many types of flowmeters that can be used for measuring the flow rate of water. An electromagnetic full pipe meter can be fitted on pipes up … Continue reading

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