On the basis of DR900 series multi-parameter water quality analyzers, Hach Company has developed CEL900 series portable water quality analysis laboratories for a variety of special applications. This series of products can not only meet the water quality test requirements of various outdoor environments, but also suitable for The rapid water quality monitoring of incidents and the measurement of routine water quality parameters in the laboratory enable users to meet the needs of water quality testing with less investment. CEL / 900 series portable water quality analysis laboratory is configured according to the requirements of water quality analysis and testing in different fields, suitable for drinking water, sewage, industrial water, boiler water, environmental monitoring, agriculture, education