Things to know before using the free chlorine chlorine dioxide detector

The residual chlorine and chlorine dioxide detector can quickly detect the content of residual chlorine and total chlorine in water, with high detection degree and convenient operation. The detector can be widely used in field and laboratory for drinking water, swimming pool water, hospital, sewage treatment and other fields. Detection of residual chlorine and total chlorine. The residual chlorine chlorine dioxide detector adopts the DPD photometric method, and adopts the photoelectric colorimetric detection principle to replace the traditional visual colorimetric method. Eliminates human error and has high measurement resolution. When the chlorine ion in the water reacts with the DPD reagent during the measurement, the water sample will turn pink. Then put the water sample into the photoelectric colorimetric seat of the instrument, and the instrument will obtain the concentration value of the corresponding ion by comparing the depth of the color. It can be widely used in inspection departments of waterworks, industrial and mining enterprises, hospitals, domestic or industrial water, etc., in order to control the ion concentration in the water to meet the specified water quality standards. This instrument adopts the o-toluidine method (or tetramethylbenzidine), which replaces the traditional visual colorimetry with the photoelectron colorimetric detection principle. Human error is eliminated, so the measurement resolution is greatly improved. Before using the residual chlorine and chlorine dioxide analyzer, you must first understand the following: 1. After the water sample is poured into the glass sample tank, please use a strong absorbent soft cloth or paper to dry the water stains outside the glass sample tank (do not touch it directly with your fingers). Touch the surface of the glass sample tank, so as not to leave fingerprints on the surface of the glass sample tank and affect the test results). 2. The instrument can be cleaned only after the power is cut off. 3. Please use soft cloth or cotton paper to remove the stains on the monitor. 4. The surface of the display is easily scratched, so it is forbidden to wipe or touch it with hard objects. 5. The sample tank must be kept clean, rinse with distilled water after use, and turn it upside down after washing to avoid dust from entering. 6. Add the water sample to the sample tank, do not let air bubbles enter, and the defoaming method is to stand for a period of time. 7. When the glass sample tank is put into the sample tank holder, the marked side of the glass sample tank should face the operator.

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