We are offering chlorine dioxide test kit. the test kit can be used for determination , where chlorine dioxide is used for water disinfection for example in swimming pool water, drinking water, waste water etc. measuring range of clo2 test kit is from, lower range: 0.005-0.01 -0.02-0.03-0.04-0.05-0.07-0.08-0.1higher range: 0.2-0.3-0.4-0.5-0.6-0.7-0.8-1.0-1.5