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The intelligent electromagnetic flowmeter scale output signal shaking big how to solve

by:Sincerity     2020-11-26
Abstract: the intelligent electromagnetic flowmeter scale output signal shaking big how to solve the information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Electromagnetic flow meter output signal shaking big how to solve? Field problem performance: sensors measured liquid under the condition of normal and stable flow, instrument signal output have larger fluctuation. Have the following reasons. 1. External electric and magnetic disturbance of signal converter. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the intelligent electromagnetic flowmeter scale output signal shaking big how to solve the article details. Electromagnetic flow meter output signal shaking big how to solve? Field problem performance: sensors measured liquid under the condition of normal and stable flow, instrument signal output have larger fluctuation. Have the following reasons. 1. External electric and magnetic disturbance influence on signal converter, there are many types of interference sources, including power interference ( 50 hz frequency interference) , the motor caused by the motor electromagnetic interference, superimposed on the signal of the common-mode interference and so on. From the point of interference on the path of the incoming signal converters, mainly composed of power supply circuit and signal circuit. Converters generally disappeared in the interference when can resume normal. 2. Interference of sensor, the influence of electrode when stray current sensor, electrode were adhered on the ionosphere or as a result of the field grounding problem cause signal lines there is a lot of interfering signal, the signal processing circuit will not be able to obtain the actual signal from the noise. When the liquid is contained more varied particle size, liquid particles being measured scour electrode, the signal will appear a lot of interference signal, the signal processing circuit also will not be able to obtain the actual signal from noise. 3. Sensor air bubbles in the liquid to the full package status, or, if an electrode because no contact with the liquid to be tested, this is the signal on the electrode is a chaotic signal. Electromagnetic flowmeter measurement precision is high. In measuring the pipe flow, so there is no additional pressure loss; Electromagnetic flowmeter while reliability is better, in general will not damage, but because of its principle, the sensor electrode has been contact with the liquid surface, the time is long, easy to contaminated electrode surface. So the electromagnetic flowmeter in general, customers are conditions under the condition of open, suggest a year to once a year and a half off cleaning between electrodes to ensure flowmeter measurement precision of the machine. Electromagnetic flowmeter of the common problems in the commissioning phase problems are usually caused by installation problems or selection, and problems during normal operation is usually attributed to working conditions change, or a new interference sources, etc. So during the normal operation of the problems are usually boils down to the anti-jamming ability of instrument. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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