HW-SJ4634 water quality analyzer can be used to determine the turbidity, color, suspended solids, residual chlorine, total chlorine, chlorine hydrate, chlorine dioxide, dissolved oxygen, ammonia nitrogen, nitrite, chromium, iron, manganese, copper, nickel, zinc, sulfate, phosphate, nitrate nitrogen, anionic detergent, ozone and other parameters in drinking water. Users retain some blanks, and users can calibrate them in percentage form according to their own requirements. At the same time, the on-site environment and test analysis of the water quality collection site can be transmitted to the monitoring center through high-definition video. This instrument can be widely used in waterworks, food, chemical, metallurgical, environmental protection and pharmaceutical industries.