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E-mail: michael@shboqu.com   |   Expert in Water Quality Measurement and Water Treatment Project

Maintenance of Dissolved Oxygen Meter Electrodes

by:BOQU     2023-04-12
(1) The electrodes of the dissolved oxygen meter should be cleaned once every 1 to 2 weeks. If there are pollutants on the diaphragm, it will cause measurement errors. Care should be taken when cleaning, taking care not to damage the diaphragm. Rinse the electrode of the dissolved oxygen meter in clean water. If the dirt cannot be washed off, carefully scrub it with a soft cloth or cotton cloth. (2) The zero point and range of the electrode of the dissolved oxygen meter should be re-calibrated in 2~3 months. (3) The regeneration of the electrode of the dissolved oxygen meter is carried out about once a year. When the measurement range cannot be adjusted, the dissolved oxygen electrode needs to be regenerated. Electrode regeneration includes replacing the internal electrolyte, replacing the diaphragm, and cleaning the silver electrode. If the silver electrode is observed to be oxidized, it can be polished with fine sandpaper. (4) If the electrode of the dissolved oxygen meter leaks during use, replace the electrolyte. Referring to the above, the use of the dissolved oxygen meter is not only to use it correctly, but also to maintain it. There are many customers who have problems before using it after buying it. Most of them are technicians who are taking the electrode. When I accidentally touched the membrane head and broke the membrane, this will cause too much negotiation and turnover repair between the customer and the supplier. Therefore, if you can be regular and careful when using it, you will avoid many unnecessary Trouble.
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