Electromagnetic Flow Meter
An electromagnetic flowmeter is a flowmeter that performs flow measurement according to Faraday's law of electromagnetic induction. The advantage of the electromagnetic flowmeter is that the pressure loss is tiny small, and the measurable flow range is large.
The ratio of the maximum flow to the minimum flow is generally more than 20: 1, the applicable industrial pipe diameter range is wide, up to 3m, the output signal and the measured flow rate are linear, the accuracy is high, and the conductivity can be measured ≥ 5μs / cm Fluid flow of acids, alkalis, salt solutions, water, sewage, corrosive liquids and mud, ore pulp, paper pulp, etc. But it cannot measure the flow of gas, steam and pure water.
Introduction to electromagnetic and ultrasonic flow meters
The display method of electromagnetic flowmeter is divided into split electromagnetic flowmeter, integrated electromagnetic flowmeter. The nominal diameter of the series is DN15 ～ DN3000.
The split electromagnetic flowmeter is an inductive instrument that measures the volume flow rate of the conductive medium in the tube according to Faraday's law of electromagnetic induction. It uses single-chip embedded technology to achieve digital excitation. At the same time, the CAN field bus is used on the electromagnetic flow meter. It is a domestic initiative. The technology has reached the domestic leading level.
Features of Electromagnetic Flow Meter
The electromagnetic flowmeter has no moving parts and no flow blocking parts, which will not cause pressure loss, and will not cause problems such as wear and blockage.
Electromagnetic flowmeter is a volume flow measuring instrument, which is not affected by the temperature, viscosity, density and conductivity (within a certain range) of the measured medium during the measurement process.
The range of electromagnetic flowmeter is wide, up to 1: 100. In addition, the electromagnetic flowmeter is only proportional to the average flow rate of the measured medium, and has nothing to do with the axisymmetric flow state (laminar flow or turbulent flow).
Electromagnetic flowmeters have no mechanical inertia, are sensitive to reaction, can measure instantaneous pulsating flow, and have good linearity, so the measurement signal can be directly converted into a standard signal output by the converter. The LD-T type can be indicated locally, and the LD type can be transmitted over a long distance.
Application of Electromagnetic Flow Meter
Electromagnetic flowmeters are widely used in sewage, fluorinated chemicals, production water, tap water industry, medicine, steel, etc.
Because the principal determines that it can only measure conductive liquids. Although it is much better than other types of flowmeters in terms of reliability and stability, but customers will still have some problems during actual use.
Feejoy is very professional at manufacturing different kinds of process control instruments for more than 16 years. Our products are applied to different industries which including Level /Flow /Pressure /Temperature /Pneumatic etc.Such as mag flow meter calibration, magnetic inductive flow meter, mag flow transmitter, paddle wheel flow meter, liquid pressure transducer,ultrasonic Level Sensor.
You may also interested in mag flow meter principle of operation,contact us now!
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