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According to the working principle of the industrial online ph meter, the electronic path between the working electrode and the reference electrode of the ph controller sensor is performed through the measured medium. The contamination of the working electrode glass film directly affects the measurement, especially in the sewage. When processing plants are used, cleaning is very important. Therefore, the daily maintenance of industrial online ph meter should pay attention:
1. Clean the debris around the industrial online ph-meter probe protection tube every day so that the liquid contacted by the ph probe is the measured medium.
2. For the pH electrode equipped with a self-cleaning device, perform manual cleaning of the ph electrode once a month. When cleaning, wipe the glass electrode with dilute hydrochloric acid or clean water with a soft brush, so that the surface of the ph electrode is completely removed.
Industrial online ph meter, online ph meter, acid meter, ph meter, industrial ph meter, ph at Qingdao, shang tai ph meter, mettle toledo ph electrode, etc. supplied by the KOS Qingdao office 3. Special attention should be paid However, when the probe is cleaned, if it is not installed immediately, the ph electrode must be temporarily placed in water, and it must not be left empty to avoid probe failure.
4. If the industrial online ph meter electrode does not dry for a long time, there is a phenomenon of dehydration failure, you can try to immerse the industrial online ph meter electrode in the pH4.0 buffer for 24h, then remove and check whether the detection function is restored. . If it still does not work, you can only replace the new electrode.
5. Regularly check the industrial online ph meter (usually three months).
6. In addition to regular cleaning of the probe and periodic calibration, the online ph controller should be regularly compared with a pH test paper. In particular, when the color of the incoming water is observed with the naked eye, and the ph controller shows no change, the test paper is used for comparison, or the sample is taken to the laboratory for comparison. Once the difference between the measurement result and the test result of the dipstick is too large, the sensor needs to be re-cleaned and verified.
7. Industrial online ph meter electrode preservation: The most important point is to prevent the electrode from dehydration, so do not take off the factory protective cap on the electrode before using the industrial online ph meter electrode. Store the ph electrode in a cool place during storage and avoid direct sunlight. Store in the winter to avoid freezing to avoid freezing the electrodes.
Daily maintenance of industrial online ph meter a few notes
According to the working principle of the industrial online ph meter, the electronic path between the working electrode and the reference electrode of the ph controller sensor is performed through the measured medium. The contamination of the working electrode glass film directly affects the measurement, especially in the sewage. When processing plants are used, cleaning is very important. This article mainly introduces several aspects that should be noted in the daily maintenance of the industrial online ph meter and gives you a reference.