Electromagnetic flowmeter is a small coup for cleaning electrodes correctly [with photos]

Electromagnetic flowmeter measures flow, and the core component is the electrode, so the electrode occupies a very important position in the electromagnetic flowmeter. Its quality directly affects the measurement. If the electrode does not pay attention to the cleaning of the electrode in a long-term working state, it will affect the measurement accuracy. Therefore, it is necessary to properly clean the electrode. But cleaning the electrode also needs to pay attention to certain methods. The following Kaidi Instrument teaches you to properly clean the electromagnetic flowmeter electrodes. Although the electrode is small, it has a great effect. The cleaning of the electrode is very important to the electromagnetic flowmeter. The following are the most common cleaning tips. The first one: mechanical cleaning method, this method is to install and compare on the flowmeter A special kind of machine, through this different mechanical structure, the sundries on the electrode can be removed very cleanly, and the dirt on the electrode can be fundamentally cleaned. A scraper with a thin shaft is made of stainless steel, and the scraper is led out through a hollow electrode. A mechanical seal is used between the thin shaft and the hollow electrode to prevent the outflow of the medium, so a mechanical scraper is formed. The second: ultrasonic cleaning method, ultrasonic cleaning method is to add a certain voltage generated by sound waves to the electrodes, so that the energy of the ultrasonic waves is concentrated, so as to use the ability of ultrasonic waves to crush the dirt to achieve the purpose of cleaning. The third type: electrochemical method, metals and electrodes have electrochemical phenomena in the electrolyte fluid. According to the basic principle of electrochemistry, a current is generated to make the electric field at the interface between the electrode and the fluid to find substance molecules, atoms, ions, etc. on the surface of the electrode with the same charge. When the residual charge density is slightly larger, the electrostatic repulsion is greater than the adsorption force, and the anions are quickly desorbed, which is the electrochemical method. Taboo of electrode cleaning Because the electrode is made of stainless steel, improper cleaning will lead to inaccurate measurement. Some workers use the cleaning ball bought on the market to clean the electrode. This method is prohibited. The disadvantage of this is that the electrode surface will be scratched, causing secondary damage. Figure 1 The above are some tips on how to clean the electrodes of the electromagnetic flowmeter. I hope these common senses will help you.

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