T-CL501C brings customers a new choice with the characteristics of simplicity, speediness, accuracy, etc. It is suitable for the on-site measurement or laboratory standard detection of available chlorine in the chlorination and disinfection of food factories, hospitals, sewage places, feeding centers, aquaculture, disinfection septic tanks, etc., and also the detection of the available chlorine content in the finished sodium hypochlorite solution and the sodium hypochlorite solution produced by the sodium hypochlorite generator.