The water quality detector is an important instrument to ensure the water quality. It can detect various parameters in the water quality, and residual chlorine is one of them. If the residual chlorine value in the water quality is too high, the water quality in this environment will not be normal. use. There are many detection methods for water quality detectors. When we need to detect the residual chlorine content in water quality, we need to use the correct method, and we need to pay attention to some matters in the process of rapid detection of residual chlorine. Let me tell you about it What should be paid attention to when the water quality detector quickly detects residual chlorine. Precautions for quick detection of residual chlorine by water quality detector 1. When detecting residual chlorine content, DPD reagent needs to be added, and then the testing personnel should cover the rubber stopper tightly and shake it fully to make the reagent fully dissolved. 2. The surface of the used colorimetric bottle needs to be wiped dry before being inserted into the detection tank. 3. After the colorimetric bottle is inserted into the detection tank, stand still for 30 seconds to eliminate the air bubbles in the test water, and the residual chlorine can be measured only after the solid particles settle. 4. After the colorimetric bottle is inserted into the detection slot, it needs to be locked, so that the colorimetric bottle is fixed, and the astigmatism needs to be prevented from entering. 5. In order to ensure the accuracy of residual chlorine detection, the same colorimetric bottle should be used for zero adjustment and water quality measurement. 6. After the test is completed, the colorimetric bottle and rubber stopper must be cleaned immediately to avoid contamination or corrosion of the colorimetric bottle. 7. If the solid or solution enters the colorimetric bottle tank, it needs to be wiped clean before putting it into the colorimetric bottle. 8. Press the 'concentration' or 'confirm' button continuously. If the reading increases or the reading is unstable, it may be caused by insufficient battery voltage. It is necessary to replace the battery before retesting. It is very necessary to pay attention to some matters when using a water quality detector to detect residual chlorine, and it is also necessary to pay attention to some matters when detecting COD
, turbidity and other parameters, so that accurate detection data can be obtained without damaging the instrument.
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