Water quality sensor manufacturer and supplier in China
Water hardness tester provider by BOQU Instruments: Why to measure residual chlorine ? Significance of residual chlorine: The amount of residual chlorine in the water is intended to protect personal safety and health. The residual amount in the drinking water plant is ≥0.3mg / L, and the residual water in the end of the pipe network is ≥0.05mg / L.…