Magnetic inductive flowmeter how to select what are good methods?

Time: 2024-07-05
Equipment Configuration:magnetic inductive flow meter

Magnetic inductive flowmeter selection is a comprehensive consideration of a number of factors in the process, the following are some clear, sub-points indicated and summarized selection of a good method: Determine the measurement medium: Consider the conductivity, corrosivity, viscosity and other properties of the measured medium. Magnetic inductive flowmeter is suitable for conductivity greater than 20μs/cm of liquid, such as acid, alkali, salt and other corrosive liquids, as well as mud, slurry, pulp, pulp and so on.

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  For media with low conductivity, such as petroleum, organic solvents, etc., it may be necessary to choose other types of flow meters. Determine the measurement range and accuracy: According to the actual need to determine the measurement range, that is, the flowmeter measurement upper limit and lower limit. Consider the measurement accuracy requirements, magnetic inductive flowmeter measurement accuracy of up to ± 0.5%. Determine the size of the pipeline: according to the size of the pipeline to choose the appropriate magnetic inductive flowmeter.

  The measuring pipe diameter of magnetic inductive flowmeter should be matched with the pipe size to ensure the measurement accuracy. General magnetic inductive flowmeter caliber range from 15mm to 1400mm, different manufacturers specifications and prices may vary. Consider the working environment: consider the environmental factors of the installation site, such as temperature, pressure, vibration and so on. One-piece magnetic inductive flowmeter temperature resistance is not higher than 70 ° C, split magnetic inductive flowmeter temperature resistance is not higher than 150 ° C. In high temperature, high pressure, strong vibration and other harsh environments, you need to choose the magnetic inductive flow meter with the appropriate level of protection and stability.

  Consider signal processing and output: according to the actual application requirements to choose the appropriate signal processing, such as analog signal output or digital signal output. If you need to realize remote monitoring, data transmission and other functions, you can choose the flowmeter with digital signal output function. Consider the installation conditions: consider the installation location of the flowmeter and installation conditions, such as the length of the straight pipe section, before and after the requirements of the straight pipe section, pipe material, etc.. For poor installation conditions, the need to choose adaptable, low installation requirements of the flowmeter model. Consideration of economic factors: under the premise of meeting the measurement requirements, give full consideration to the cost of electromagnetic flowmeter and cost-effective. Different brands and models of electromagnetic flowmeter prices vary greatly, according to the actual demand and budget to choose the right brand and model.

  Other special requirements: according to the different measurement media to select the appropriate electrode materials and lining materials. Consider whether the user has explosion-proof and other special requirements. In summary, the electromagnetic flowmeter selection needs to consider the measurement medium, measurement range and accuracy, pipe size, working environment, signal processing and output, installation conditions and economic factors and other aspects. Through in-depth understanding and analysis of these factors, you can select the appropriate electromagnetic flowmeter model and brand, to ensure the accuracy and stability of the measurement results, while realizing the long-term use of economy and reliability.

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