Easy Installation Water Flow Meter Digital Liquid Electromagnetic Flowmeter
PRODUCTINTRODUCTION
Based on the concentrated research and development of the multi-instrument team for nearly 20 years, and the field experience of nearly 150,000 vortex flowmeter, we continue to innovate and create the measurement advantages of the Carmen vortex principle, so that the Carmen vortex phenomenon can be utilized to the greatest extent, and the measurement of the Carmen vortex principle can create benefits for mankind.
Vortex flowmeter is a kind of fluid oscillating flow meter based on the principle of "Carmen Vortex". When a cylinder with a non-streamlined cross section is inserted into a flowing fluid, two rows of staggered vortices will be generated on both sides of the back of the cylinder. The frequency f of vortex separation is directly proportional to the velocity v on the column side and inversely proportional to the width d of the column.
Product Advantages
DYLDB/E/C intelligent electromagnetic flowmeter is a fully intelligent electromagnetic flowmeter developed by introducing the most advanced technology from DELI Company of the United States. The electronic parts are all made of imported parts, which has very fast calculation speed, high precision and reliable measurement performance, and is an ideal choice to replace imported flowmeter. The annual export volume reaches thousands of units. Applicable industries: pharmaceutical, food, chemical industry, steel, coal, mining and metallurgy, oil exploitation, petrochemical, paper-making, environmental protection, sugar-making, irrigation, water supply and drainage, port dredging and other fields. Applicable media: It can accurately measure the volume flow of various acids, alkalis, salt solutions, raw water, cooling water, sewage, coal slurry, pulp, mud, cement slurry, paper pulp, syrup, coal water slurry, corn slurry, fiber slurry, grain slurry, lime milk, hydrogen peroxide, beer, wort, black liquor, green liquid medicine and various beverages.
principle of operation
Electromagnetic flowmeter is a flowmeter for flow measurement according to Faraday's law of electromagnetic induction. The advantages of electromagnetic flowmeter are extremely small pressure loss and large measurable flow range. The ratio of the maximum flow rate to the minimum flow rate is generally above 20:1, and the applicable industrial pipe diameter range is wide, up to 300mm, and the output signal is linear with the measured flow rate, with high accuracy. It can measure the fluid flow rate of acid, alkali, salt solution, water, sewage, corrosive liquid, mud and pulp with conductivity =1us/cm. But it can't measure the flow of gas, steam and pure water. When the conductor cuts the magnetic field lines in the magnetic field, the induced potential will be generated in the conductor, and the magnitude of the induced potential is directly proportional to the neutral length of the conductor in the magnetic field and the speed at which the conductor moves perpendicular to the magnetic field. Similarly, when the conductive fluid flows vertically in the magnetic field and cuts the magnetic induction force line, it will also produce induced potentials on the electrodes on both sides of the pipeline. The direction of the induced potential is determined by the right hand rule, and the magnitude of the induced potential is determined by the following formula: ex = BDV-formula [1]. Where: Ex-induced potential, v; B-magnetic induction intensity, t D-pipe inner diameter, m; V-Average velocity of liquid, m/s However, the volume flow rate qv is equal to the product of the flow velocity v of the fluid and the cross-sectional area of the pipeline (element D2)/4. Substituting formula (1) into this formula, we can get qv = (TD/4B) * ex-formula (21). From the above formula, it can be seen that when the pipe diameter d is fixed and the magnetic induction intensity b is kept constant, the measured volume flow has a linear relationship with the induced potential. If an electrode is inserted on both sides of the pipeline, the induced potential Ex can be introduced, and the volume flow can be obtained by measuring the potential.
PRODUCTAPPLICATION.
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