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The intelligent electromagnetic flowmeter scale output 5 kinds of reasons

by:Sincerity     2020-11-26
Abstract: the intelligent electromagnetic flowmeter output scale shaking 5 kinds of causes of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Intelligent electromagnetic flowmeter output shake five reasons are as follows: first, the cause of the problem output shaking in the cause of the problem can be summarized as five aspects, they are: ( 1) Flow itself is fluctuations or pulse, in essence is not fault of electromagnetic flowmeter, truthfully report only. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the intelligent electromagnetic flowmeter output scale shaking the article details the five kinds of reasons. Intelligent electromagnetic flowmeter output shake five reasons are as follows: first, the cause of the problem output shaking in the cause of the problem can be summarized as five aspects, they are: ( 1) Flow itself is fluctuations or pulse, electromagnetic flowmeter in essence is not fault, only reflect flow; ( 2) At the end of the pipe full of liquid or liquid containing bubbles; ( 3) The stray current such as electricity, magnetic interference; ( 4) Fluid physical properties ( Such as liquid conductivity uneven or contains a variable particle/fiber slurry, etc. ) The reason; ( 5) Electrode materials and liquid matching. Second, check program check electromagnetic flowmeter output process. Press process comprehensive test first makes a preliminary investigation and judgment, and then detailed item by item check and test troubleshooting. Check order successively listed process principle is: (1) by observation or ask to understand without making major operations in the former, namely after the first difficult; (2) according to the on-site maintenance experience in the past, the higher the frequency is higher and can appear in the future probability in the former; (3) check itself has asked. If confirmed by the preliminary investigation foot after several fault reason, can also be a detailed inspection in advance. 1, start - Check the piping of the electromagnetic flow sensor for pulsating flow disturbance source - - Floating power supply for reciprocating pump or diaphragm pump. Is like this: a room, equipped with gas capacity and choke to slow the pulsating quantity b, increase in the volume meter damping as no: check whether any downstream pump valve vibration hunting? So: to improve the control valve control features such as no: check if there are other wave disturbance source? If you have: the targeted to eliminate disturbance source. Otherwise please see 2. 2, check the tube filled with liquid? The liquid containing bubbles? - - Gas sensor is arranged downstream package and manual exhaust valve, in order to check. A, check the tube filled with liquid? If not full: sensors installed in a horizontal position and vertical since the position of the downward flow should pay special attention to, change to the position of fully filled with, such as vertical installed flows from bottom to top position. B, liquid containing bubbles? If there are air bubbles: sensor installed upstream separator or automatic exhaust valve. If no bubbles look at 3. 3, check whether the sensor is good grounding? If no good grounding: a, sensors and neighboring pipe to realize the third grounding ( 100 the following) B, connection and insulation pipe or anti-corrosion lining pipes, on both ends of the sensor equipped with grounding rings or short tube. Such as grounding good so check the pipeline for stray current interference, etc. If there is interference moving interference sources. If there is no interference check sensor near if there is a strong magnetic field source such as large power transformer. Then change the installation location, if any, the principle of magnetic field source. 4, check the liquid property - - - whether for slurry - If the liquid conductivity uniform - - The liquid conductivity is too low. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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