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The intelligent electromagnetic flowmeter scale measurement error analysis

by:Sincerity     2020-11-29
Abstract: the intelligent electromagnetic flowmeter scale measurement error analysis information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Abstract: the change from among them, as long as the understanding to the work principle of the intelligent electromagnetic flowmeter as well as installation, selection and maintenance of some essential factors, can appear in meter error, rapid analysis of the cause of the error, and processing. 1, when the flow. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the intelligent electromagnetic flowmeter scale measurement error analysis for details. Change from among them, as long as the understanding to the work principle of the intelligent electromagnetic flowmeter as well as installation, selection and maintenance of some essential factors, can appear in meter error, rapid analysis of the cause of the error, and processing. 1, when the fluid is solid liquid two phase flow, which contain particles or fibers such as solid, possible failure are (1), the noise measurement is a fluid; (2), flow meter internal electrode surface attachments that contaminated; (3) in the fluid and the pipe sediment or insulation cover on the lining of instrument; (4), instrument lining frayed, make the fluid circulation area smaller 2, when the fluid or sensors installed under the pipe is not correct, possible failure (1), when the fluid contains a small amount of gas in the pipe, and stratified flow and wave flow distribution, can lead to a superposition of instrument error, namely measured values do not tally with the actual values; (2), when the fluid is bubble flow or plug flow, in addition to cause instrument measured values do not tally with the actual values, also because the bubbles on the electrode surface through covered electrodes, appear measurements are shaking; (3), if in a horizontal pipe, the cross section area is part of the stratified flow increases, the fluid under the status of tube increase, will cause instrument measurements are shaking; 3, improper selection of electrode materials for the intelligent electromagnetic flowmeter possible failure (1), when the electromagnetic flowmeter improper selection of electrode materials in addition to work after a period of time will be corrosion, the following will happen; (2), electrode surface should be chemical reaction to produce passivation membrane; (3), the electrode electrochemical reaction and the polarization phenomenon that produce electric potential; (4), the electrode surface mass phenomenon; All these chemical phenomena above will affect the precision of the intelligent electromagnetic flowmeter, electrode corrosion determine specific can read 'how to distinguish intelligent electromagnetic flowmeter is corrosion' 4, fluid conductivity, low electrical conductivity of the fluid data deviation caused by fault threshold is affected by the working principle of flow meter, there is a specified value namely must & ge; 5μ S/cm, appear more fluid generally have low distilled water or deionized water, the electrical conductivity are usually close to lower limit value, the result is measured values appear unstable shaking summary: these failures can be generally in the intelligent electromagnetic flowmeter selection stage, get reasonable solution, for the size of the electrical conductivity of the fluid can refer to the relevant manuals that first in choosing a reasonable flow meter, measure above is all there is in this article, you are welcome to inquire me factory flowmeter selection, quotation, etc.
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