Advantages and disadvantages of vortex flowmeter

Abstract: The advantages and disadvantages of vortex flowmeter meters are provided by the excellent manufacturers of flowmeters and flowmeters. Vortex flowmeter is a new type of flowmeter with international advanced level developed based on the principle of Karman vortex flow. It is mainly used for flow measurement of industrial pipeline medium fluids, such as gas, liquid, steam and other media. , chemical industry, metallurgy,. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the article details of the advantages and disadvantages of vortex flowmeters. Vortex flowmeter is a new type of flowmeter with international advanced level developed based on the principle of Karman vortex flow. It is mainly used for flow measurement of industrial pipeline medium fluids, such as gas, liquid, steam and other media. , chemical, metallurgy, papermaking and other industries have a very wide range of applications. But any instrumentation has certain limitations in terms of product performance, and the vortex flowmeter is no exception. Below, China Measurement Tool Network will introduce the advantages and disadvantages of vortex flowmeters to you. 1. Advantages of vortex flowmeter (1) The vortex flowmeter has no moving parts, and the measuring element has a simple structure, reliable performance and long service life. (2) The vortex flowmeter has a wide measurement range. The turndown ratio can generally reach 1:10. (3) The volume flow of the vortex flowmeter is not affected by thermal parameters such as temperature, pressure, density or viscosity of the fluid being measured. Generally, no separate calibration is required. It can measure the flow of liquid, gas or steam. (4) The pressure loss caused by it is small. (5) The accuracy is high, the repeatability is 0.5%, and the maintenance is small. 2. Disadvantages of vortex flowmeter (1) The volume flow of the vortex flowmeter in the working state is not affected by the temperature, pressure, density and other thermal parameters of the measured fluid, but the final measurement result of the liquid or steam should be the mass flow. For gases, the final measurement should be the standard volume flow. Mass flow or standard volume flow must be converted by fluid density, and fluid density changes caused by changes in fluid working conditions must be considered. (2) The main factors that cause the flow measurement error are: measurement error caused by uneven flow velocity of the pipeline; inability to accurately determine the medium density when the fluid working condition changes; the wet saturated steam is assumed to be dry saturated steam for measurement. If these errors are not limited or eliminated, the total measurement error of the vortex flowmeter will be large. (3) The anti-vibration performance is poor. External vibration will make the vortex flowmeter produce measurement errors and even fail to work properly. The high velocity impact of the channel fluid will cause additional vibration of the cantilever of the vortex generator body, which will reduce the measurement accuracy. The effect of large diameter is more obvious. (4) Poor adaptability to measuring dirty media. The generating body of the vortex flowmeter is easily contaminated by the medium or entangled by the dirt, which changes the geometry size and greatly affects the measurement accuracy. (5) High requirements for straight pipe sections. Experts pointed out that the straight pipe section of the vortex flowmeter must ensure that the first 40D and the second 20D can meet the measurement requirements. (6) Poor temperature resistance. Vortex flowmeters generally can only measure the fluid flow of media below 300°C. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Vortex Flow Meters Advantages and Disadvantages Inventory'

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