Residual chlorine means that after chlorine is put into water, in addition to interacting with bacteria, microorganisms, organic and inorganic substances in the water to consume part of the chlorine, there is still a part of
residual chlorine. This part of chlorine is called residual chlorine, also known as free chlorine. At present, chlorine-containing disinfectants are often used for disinfection in public places and households. On the one hand, it is necessary to ensure sufficient concentration of disinfectant to ensure the disinfection effect; on the other hand, the amount of residual chlorine in the sewage discharged into the urban sewage treatment plant may be high, which will affect the normal operation of the biochemical treatment device. At the same time, excessive residual chlorine may also affect surface water, groundwater and drinking water sources, and affect the ecological environment and drinking water sources. Determining the content and state of residual chlorine in water is of great significance to the disinfection effect, environmental water quality and drinking water safety. Therefore, the existence of residual chlorine detector is of great significance to environmental protection. The online residual chlorine detector can detect the concentration of residual chlorine in the effluent within 2 minutes on site, and the detection is accurate. Provide reliable and advanced testing equipment for national environmental monitoring, swimming pools, hospitals, water plant breeding, industrial and mining enterprises and individual families, suitable for domestic water, groundwater, swimming pool water, industrial water, environmental monitoring, hospitals, aquaculture water, water plants On-site detection of residual chlorine content in domestic water or industrial water such as drinking water for enterprises and households, and control the residual chlorine in water to meet the water quality standards stipulated by the state. The online residual chlorine detector adopts the photoelectric colorimetric detection principle to replace the traditional visual colorimetric method. Human error is eliminated, thus greatly improving measurement resolution. When measuring, put the water sample to be tested into a specific reagent, and the water sample will quickly develop color. Then put the water sample into the photoelectric colorimetric bottle tank, and the instrument can accurately obtain the concentration value of residual chlorine in the tested water sample by comparing the color depth. 1. Design an integrated detection mode that integrates optical, electromechanical, and chemical analysis technologies. 2. Data automatic smoothing technology, data automatic smoothing will not be lost. 3. The corrosion-resistant combined colorimetric cell is equipped with positioning to ensure the repeatability of measurement.
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