Chlorine Meter

Chlorination is one of the most widely used methods for disinfecting drinking water and industrial process water, which makes accurate chlorine measurement essential to maintaining water quality and safety. SRK offers two types of chlorine analysers: a non-reagent type for free available chlorine measurement, and a reagent type for free chlorine or residual (total) chlorine measurement. With SRK's proven, field-tested technologies, you can find the right solution for your specific application.

Digital Residual Chlorine Meter

Digital pH and Chlorine Tester

Pool Residual Free Chlorine Sensor

Chloride Ion Selective Electrode

What Is Residual Chlorine?

Residual chlorine, commonly referred to as free chlorine, is the chlorine remaining in water in the form of hypochlorous acid, hypochlorite ions, and dissolved elemental chlorine after the disinfection process. It is also known by related terms such as free residual chlorine and free available chlorine.