The DPD method of the residual chlorine detector
uses the photoelectric colorimetric inspection principle to replace the traditional colorimetric method. Eliminate human bias and greatly improve measurement resolution. During the measurement, when the tested water sample is put into the dpd slice, the water sample will turn red. Then put the water sample into the photoelectric colorimetric base, compare the red depth, and get the concentration of residual chlorine. Functional characteristics of the residual chlorine detector: 1. Optical system: The instrument adopts advanced optical fiber beam splitting system technology to ensure the accuracy of detection accuracy. 2. Display screen: Choose a 7-inch large-screen color capacitive touch screen, which makes the operation more comfortable and sensitive, the display screen is more comfortable and sensitive, the effect is good, and the single-screen display is rich in research information. 3. Data upload: It can store a large amount of test data, can store 5 million test data, and can also upload data. Data storage and processing are flexible and diverse. 4. Reference channel: The instrument has a reference channel, which can directly read the concentration of the standard substance and the measured sample at the same time, improve the detection accuracy and prevent manual deviation. 5. Batch inspection: channel inspection, which can inspect multiple water samples at one time. The residual chlorine meter can be used to detect the following data: 1. Chromaticity: Most people can notice the chromaticity of drinking water when it is above 15 degrees, and it is required that the chromaticity of drinking water should not exceed 15 degrees. 2. Turbidity: The relationship between the optical properties of water samples, used to indicate the clarity and turbidity of water. It is one of the important factors to test the good development level of water quality, and it is also an important theoretical basis for evaluating the purification efficiency of water treatment technology equipment and evaluating the state of water treatment. 3. Residual chlorine: Residual chlorine refers to the residual chlorine in water after being disinfected with chlorine and exposed to a certain working time. It has continuous bactericidal ability in water, avoids self-pollution of water supply pipelines, and ensures water quality. Chemical Oxygen Demand (COD): Refers to the oxygen demand when a chemical acts as an oxidizing agent to produce organically bound pollutants in oxidized water. The greater the chemical oxygen consumption, the more organically bound pollutants in the water.
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