Reservoir and water plant need to real-time monitor the status of water quality, the water quality state contains a lot of projects, such as the content of certain gases (DO, CO2, etc.), the concentration of some ion and degree of microbial breeding. These all have the corresponding testing instrument. Sometimes it also need to detect the flow and water depth, then ultrasonic flowmeter and the water level gauge etc will be applied. In addition, the toxicity of water quality, pH and turbidity multifunctional composite online water monitor, colony counter, and other instruments will be handy for you to work.