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Electromagnetic Flow Meter

Electromagnetic Flow Meter

An electromagnetic flow meter operate on Faraday's law of electromagnetic induction that states that a voltage will be induced when a conductor moves through a magnetic field. The liquid serves as the conductor and the magnetic field is created by energized coils outside the flow tube.

 

The voltage produced is directly proportional to the flow rate. Two electrodes mounted in the pipe wall detect the voltage which is measured by a secondary element.

 

Electromagnetic flow meters can measure difficult and corrosive liquids and slurries, and they can measure flow in both directions with equal accuracy.

 

Electromagnetic flow meters have a relatively high power consumption and can only be used for electrical conductive fluids as water.

 

Available in in-line or insertion styles, magnetic flow meters have no moving parts and are ideal for waste water applications or any dirty liquid which is electrically conductive. Mag meters operate on Faraday's law of electromagnetic induction that states that a voltage is induced when a conductor moves through a magnetic field. The liquid serves as the conductor and the magnetic field is created by energized coils outside the flow tube. Electromagnetic flow meters can only be used for electrically conductive fluids, such as water. They cannot measure De-ionized water or most hydrocarbon based liquids. The output voltage produced by the electromagnetic induction is directly proportional to the flow rate. Electrodes mounted in the pipe wall detect the voltage which is measured by a secondary element.

Electromagnetic flow meters have no moving parts, and are selected for their abilities to measure difficult and corrosive liquids and slurries with a very low pressure drop. Most meters offered have accuracies between 0.3 to 1% of reading. Flow ranges of up to 100:1 are available. Insertion style meters are typically in the range of $400 to $1000. The majority of In-Line style version cost $500 to $1,800.

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Contact Information

Xi’an Dechuang Electrical Technology Co., Ltd.

Factory Add: B203, No. 69, Jinye Rd, Hi-tech Zone,Xi'an, P.R.of China.

Tel: 86-29-88609367/88606479

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