The ChloroChek Chloridometer was designed to work with the Macroduct Sweat Collection System for analyzing sweat chloride for the laboratory diagnosis of cystic fibrosis. ChloroChek is easy to operate and gives results in less than 20 seconds. Simply pipette in a 10 microliter sample of sweat and get a results of the display instantly. ChloroChek has an intuitive touch-screen interface with simple prompts and leads the operator through the entire process of measuring chloride levels of sweat samples. Electrodes are simple to install and remove for cleaning. Sweat controls are available with 3 levels to insure the highest level of quality control procedures for regulatory requirements.