Measures total chlorine quickly, economically and accurately in a wide variety of water samples. It detects free chlorine, hypochlorite and chlorine bound to nitrogenous compounds. Ideal for the measurement of chlorine in drinking, cooking, industrial and domestic wastewater treatment. The chlorine meter is also very useful in any processes that use chlorine as a biocide and sanitation agent such as industrial process water, spas, pools and food processing. The measurement is unaffected by color and suspended solids. Its extreme sensitivity and E.P.A. approved methodology allows the product to be used for compliance reporting.