Electromagnetic flow meter scale in use will be affected by what condition

Abstract: the electromagnetic flow meter scale in use will be affected by the working condition of what information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. After practice, basically has the following three aspects: the use of electromagnetic flowmeter has influence, cope with these problems are analyzed. 1, the electromagnetic flowmeter measurement range is larger, general 10:1, but measure the lower limit restricted by many factors: Re10000 is vortex flow. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the electromagnetic flow meter scale in use will be affected by the working condition of which the article details. After practice, basically has the following three aspects: the use of electromagnetic flowmeter has influence, cope with these problems are analyzed. 1, the electromagnetic flowmeter measurement range is larger, general 10:1, but the measuring limit restricted by many factors: Re> 10000 is zui basic condition of vortex street flowmeter work, in addition, it also respond by vortex signal, vortex frequency f also small, still can make the signal processing difficulty. Measurement limit the frequency response of the sensor and the circuit of the frequency limit, so the design must to calculate velocity range, business accounting, undertake choosing according to fluid flow. Using the complex environmental conditions on site, type selection in addition to pay attention to the environmental conditions such as temperature, humidity, atmosphere, but also electromagnetic interference. 2, vibration of this kind of instrument is also a big competitor. So when use should pay attention to avoid mechanical vibration, especially the transverse vibration of the pipeline, Perpendicular to the pipe axis and the vibration of the vertical vortex occurrence of axis) , the effect on flow structure design is unable to suppress and eliminate. Because of the influence of vortex signal flow field also sensitive, so the straight pipe length cannot guarantee stable vortex flow conditions, the necessary is unfavorable choose. Even the strong vibration resistance capacitance type, ultrasonic type, guarantee the fluid for the full development of uniflow, also cannot be ignored. 3, medium temperature on the use of vortex street flowmeter performance also has a great influence. If pressure stress type vortex flowmeter can't use for a long time in the 300 & deg; C state, because of its insulation impedance will by 10 to room temperature 100年mΩ Hurry down to 1 - 101Ω , the output signal is smaller, leads to the deterioration of the measured characteristics. In the measurement system, sensor and converter should be used in a separate installations, in order to prevent affecting long-term high temperature instrument reliability and service life. Vortex flowmeter is a relatively new type of flowmeter, at the development stage, is not very mature, if choose undeserved, performance can't play very well. Only after a reasonable selection, correct installation, need in the process of using regular maintenance seriously, accumulate experience, enhance the predictability of system failures and judgment, ability to deal with problems, so as to achieve a satisfactory effect. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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