It is used to continuously monitor and control the conductivity value/TDS value and temperature value of the aqueous solution. Widely used in power plants, petrochemicals, metallurgy, paper industry, environmental protection water treatment, light industry electronics and other fields. Such as power plant cooling water, make-up water, saturated water, condensate water and furnace water, ion exchange, reverse osmosis EDL, seawater distillation and other water production equipment raw water and product water quality monitoring and control.