Water quality on-line monitoring method and system

摘要: The invention discloses a water quality online monitoring system which comprises pump, liquid storing unit, reacting-detecting unit and multi-pass direction selecting valve. valve is provided with sample introducing passage, reagent an analytical passage common for communicating the unit; composed of light source, chamber, detector device; one end chamber communicates other connected further detecting method. has advantages simple structure, high measurement accuracy response speed. Furthermore, can measure plurality parameters in sample, be widely applied to various sources, such as domestic sewage, industrial river water, etc.