What factors will affect the accuracy of electromagnetic flow meters

Abstract: What factors will affect the accuracy of electromagnetic flowmeter meters are provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Electromagnetic flowmeter is a flow measurement instrument made according to Faraday's law of electromagnetic induction, which is used to measure the volume flow of conductive liquids in pipes. There are some factors that will affect the measurement accuracy of the flowmeter, which are listed below: 1. If the liquid to be measured contains gold. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following are the details of the article on which factors affect the accuracy of electromagnetic flowmeters. Electromagnetic flowmeter is a flow measurement instrument made according to Faraday's law of electromagnetic induction, which is used to measure the volume flow of conductive liquids in pipes. There are some factors that will affect the measurement accuracy of the flowmeter, which are listed as follows: 1. If the liquid to be measured contains metal, the electrodes of the flowmeter are prone to short-circuit, and the measurement value of the flowmeter is obviously small or tends to zero. This phenomenon does not often occur in daily production operations. When measuring high-viscosity media, since the medium is easily attached and deposited on the tube wall, if the conductivity of the measured liquid is lower than that of the attached medium, the signal potential of the electrode will be reduced. It will be shunted by precipitation and cannot work normally, and the phenomenon of electrode short circuit will occur. If the deposited medium is a non-conductive layer, the electrode will be open and the flowmeter will not work properly. If the oxide rust layer is attached to the lining pipe wall, or the main component is metal precipitate, its conductivity is greater than the liquid conductivity, and the actual flow value will be higher than the flow value measured by the flow meter. If the sediment is a scale layer such as calcium carbonate, the conductivity of the liquid to be measured is higher than that of the sediment, and the measured flow rate will be smaller than the actual flow rate. 2. Since the electromagnetic flowmeter has more opportunities to measure suspended solids or dirt than other flowmeters, the probability of failure caused by the inner wall adhesion layer is relatively high. If the conductivity of the adhesion layer is similar to the conductivity of the liquid, the meter can still output signals normally, but the flow area is changed, resulting in a hidden fault of measurement error; if the adhesion layer with high conductivity, the electromotive force between electrodes will be short-circuited; if the adhesion layer is insulating , the electrode surface is insulated and the measurement circuit is disconnected. The latter two phenomena can make the meter inoperable. Electromagnetic flowmeter is a widely used measuring instrument. Its components have no rotating parts and no parts that impede fluid flow, so there is virtually no pressure loss. The electromagnetic flowmeter is easy to install and can be horizontal, vertical and inclined; the measurement accuracy is high, which can reach 0.5%; the range ratio is large, generally 1:20. The liquid to be measured is only in contact with the pipe lining and electrodes of the electromagnetic flowmeter, so as long as the electrode and lining materials are selected reasonably, they have good corrosion resistance and wear resistance, and play an important role in industrial production. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'What Factors Affect the Accuracy of Electromagnetic Flow Meters'

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