Extech 4-In-1-Kit for Chlorine,Ph-Value,Orp,Temp

The Extech EX900 ExStik® 4-in-1 Kit includes a CL200 meter, pH and redox electrodes, reagent tablets (50 tests), four plastic cups, a weighted stand, pH buffer packets, four CR2032 batteries, a 48-inch carrying strap, and a carrying case, as well as an instruction manual. The meter measures total chlorine, pH, redox potential, and temperature with interchangeable flat surface electrodes included in the package. Flat surface electrodes work in liquids, semi-solids, and solids. The built-in memory can store and recall up to 15 readings, as well as retain the last calibrated value. It features a large 3-1/2-digit (2000 count) digital display with a bar graph and an automatic electronic self-calibration function for chlorine and ORP (1-, 2-, or 3-point buffer calibration for pH).