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What is the difference between electromagnetic flowmeter and traditional flowmeter?
Electromagnetic flowmeter is one of the common flow meters. The difference between electromagnetic flowmeter and other flow meters is that: ① The transmitter structure of electromagnetic flowmeter is simple, without movable parts or any throttling parts that hinder fluid flow, so it will not cause any additional pressure loss when the fluid passes through. At the same time, it will not cause problems such as wear and blockage, especially suitable for measuring liquid-solid two-phase fluids with solid particles such as slurry, sewage, and various viscous slurries. Similarly, due to its structure without moving parts, it can be made of corrosion-resistant insulation lining and selected corrosion-resistant materials to make electrodes, which has good corrosion resistance performance and can be used for measuring various corrosive media. ② Electromagnetic flowmeter is a type of... Volume flow measuring instruments, during the measurement process, It is not affected by the temperature, viscosity, density, and conductivity of the measured medium (within a certain range). Therefore, the electromagnetic flowmeter only needs to be calibrated with water and can be used to measure the flow rate of other conductive liquids without additional corrections. ③ The range of the electromagnetic flowmeter is extremely wide, and the four span ratio of the same electromagnetic flowmeter can reach 1:100. In addition, the electromagnetic flowmeter is only proportional to the average flow velocity of the measured medium, and is independent of the flow state (laminar or turbulent) under axisymmetric distribution. ④ The electromagnetic flowmeter has no
2. What are the measurement ranges of electromagnetic flow meters?
1、 Electromagnetic flowmeter is a very sensitive flowmeter that can measure the flow rate of conductive liquids. It is also economical and has a diameter of generally DN10-- DN2000. It can measure sewage or corrosive liquids and has a wide range of applications;
2、 Electromagnetic flow meters can only measure volumetric flow rates, with units such as m3/h (cubic meters/hour), L/min (liters/minute), etc. They have pure grinding instantaneous flow rate display and cumulative flow rate display;
3、 The measurement range corresponding to electromagnetic flow meters of different diameters is: (unit: m3/h): DN10:0.03-4.24; DN15：0.06---9.54； DN20：0.12---16.96； DN25：0.18---26.5； DN32：0.29---43.42； DN40：0.45---67.85； DN50：0.7---106； DN65
1.19---179； DN80
1.8---271； DN100：2.28---424； DN125：4.41---662.。。。。。 For more detailed information, please refer to the technical article on the website of Shandong Qiangsheng Automation Technology Co., Ltd.... Www.qszdh. com
3. Calculation of flow rate in electromagnetic flowmeter, please explain?
Electromagnetic flowmeter: based on Faradays law of electromagnetic induction to measure the state flow rate U=B * L * vU - induced electromotive force B - magnetic field strength L - conductor leng