Friday, March 19, 2010

Flow Measurement



There exist about (four) 04 flow measurement techniques. All these techniques are based on different working principles. They are

Rotary Piston
Electromagnetic
Ultrasonic
Differential Pressure
Vortex

Among these above mentioned techniques, differential pressure is the most widely used flow measurement technique in the industry. This technique is based on the differential pressure principle. In this technique two different pressures are created by placing a hindrence in the path of flow. As a result of this restriction pressure tends to change as it passes the ristriction. The differential of the pressures before and after the restriction gives us the amount of flow.

The task of an electromagnetic flow meter is to measure flow volume of electrically conducting liquids, including water, food, beverages, chemicals, slurry, pulp & paper and mining slurries with magnetic particles. Whether it's a standard flow meter with modular pulsed DC technology, a high-performance AC pulsed flow meter, or a battery-operated electromagnetic water meter, an electromagnetic flow meter from world`s leading manufacturers facilitates flow rate management.

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