The Milwaukee Mi406 is a photometer for measuring levels of free chlorine. Milwaukee offers a range of chlorine photometers for all applications: swimming pool treatments, household cleaners, dishwasher additives, laundry powders/liquids and cooling water treatment products, all of which contain chlorine as an oxidizing biocide. Drinking water contains residual chlorine to maintain water purity throughout the supply lines.
Milwaukee offers the Mi406 microprocessor-based instrument with great resolution, high accuracy, and immediate results for measuring free chlorine (0.00 to 5.00 mg/L).