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Precautions for application and use of residual chlorine analyzer

by:BOQU     2023-04-01
Residual chlorine analyzer is a commonly used detection instrument, which is suitable for on-line monitoring of hypochlorous acid (HOCL)/residual chlorine concentration in the disinfection process of drinking water and industrial process water. It has the advantages of stable performance, comprehensive functions, and wide application range. Widely used in many fields. Application It can measure free chlorine, pH value and temperature at the same time. The residual (total) chlorine analyzer is suitable for the measurement of residual (total) chlorine in the process of chlorination and disinfection of drinking water, waste water and industrial circulating cooling water; the monitoring of the concentration of residual (total) chlorine in the drinking water pipe network. Residual chlorine is the general term for free chlorine and combined chlorine remaining in water after a certain period of contact with chlorine. Residual chlorine can be divided into compound residual chlorine (referring to the compound of chlorine and ammonia in water, there are three kinds of NH2Cl, NHCl2 and NHCl3, NHCl2 is more stable and has good bactericidal effect), also called combined residual chlorine; free residual chlorine (referring to OCl -, HOCl, Cl2, etc. in water have fast sterilization speed and strong bactericidal power, but disappear quickly), also known as free residual chlorine; total residual chlorine is the sum of combined residual chlorine and free residual chlorine. Precautions for the use of residual chlorine analyzer 1. The secondary meter generally does not need daily maintenance. When there is an obvious fault, please do not open it to repair it yourself, and contact us as soon as possible! 2. After turning on the power, the instrument should display, if there is no display or If the display is abnormal, turn off the power immediately and check whether the power is normal. 3. The cable connector must be kept clean and must not be exposed to moisture or water, otherwise the measurement will be inaccurate. 4. The electrodes should be cleaned frequently to ensure that they are not contaminated. 5. The electrodes should be calibrated every once in a while. 6. When the water is cut off, make sure that the electrode is soaked in the liquid to be tested, otherwise its life will be shortened. 7. The use of the residual chlorine analyzer depends largely on the maintenance of the electrode.
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