Cause Analysis of Measurement Error of Precession Vortex Flow Meter

Abstract: The information on the cause analysis of the measurement error of the precession vortex flowmeter is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. The precession vortex flowmeter is small in size, good in performance, corrosion-resistant, and has strong anti-vibration and anti-interference ability. Therefore, it has been widely used in the measurement field. The technology of the Shunda flowmeter manufacturer will be explained in detail below. About precession. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the detailed analysis of the reasons for the measurement error of the precession vortex flowmeter. The precession vortex flowmeter is small in size, good in performance, corrosion resistance, and has strong anti-vibration and anti-interference ability, so it has been widely used in the measurement field. The technology of the flowmeter manufacturer will be explained in detail. Analysis of the reasons for the measurement error of the vortex flowmeter. The factors that cause the error of the flowmeter can be summarized as the following factors: flow range, pressure change, and straight pipe section factors. The error is mainly caused by mechanical vibration, impurities in the medium, electronic interference, etc. In the process of use, it is necessary to consider whether these factors interfere with the normal working state of the flowmeter, otherwise the flowmeter will produce certain errors. . 4.1 Measuring instrument error During the use of the measuring instrument, each flowmeter has a certain flow range. When the medium flow rate is lower than the lower flow limit, or higher than the upper flow limit, the flowmeter will be seriously damaged, resulting in excessive losses, which cannot be guaranteed. normal use of the flowmeter. In addition, the process is also very important. Generally, the gas volume is relatively large in the early stage of development, and the gas volume is constantly decreasing in the later stage. Therefore, the flowmeter must be based on the range of the working flowmeter. If the upper or lower limit of the range is exceeded, measurement errors will occur. . Secondly, the error caused by pressure, the accurate detection of pressure plays a decisive role in other accurate measurements, especially to reduce the corresponding error, as the pressure of the monitoring point increases, the relative error is getting smaller and smaller, so in the During the process, the pressure should be selected according to certain circumstances. The large pressure loss is a defect of the flowmeter. After continuous improvement, the pressure loss can be continuously controlled to a limited extent, but when the pressure loss is too large, other methods must be considered to change this situation. Finally, due to the influence of the straight pipe section, it can be seen from the measurement principle of the precession vortex flowmeter that the flow state of the fluid medium has a great influence on the measurement results, so there should be a long enough straight pipe section in the front and rear of the flowmeter to Ensure the stability of the medium. In general, the straight pipe section is not less than 5D, and the straight pipe behind the table is not less than 1D. If there is no restriction in front of the table due to space constraints, the straight pipe section in front of the table can be relaxed to not less than 3D. However, when there is throttling in front of the meter, the requirement that the straight pipe section is not less than 5D must be met. Only in this way can errors be minimized. 4.2 Errors caused by changes in the external environment The external errors are mainly caused by mechanical vibration, gas impurities, and electromagnetic interference. Tip: As a highly precise instrument, the flowmeter not only needs to strictly abide by its requirements in the process of manufacture and use, but also must pay special attention in the later maintenance to prevent the flowmeter from retire early. If you have other questions or needs about the flowmeter, you can contact the flowmeter manufacturer and we will serve you wholeheartedly. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Cause Analysis of Measurement Error of Precession Vortex Flow Meter'

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