The water quality tester is equipped with a high-quality aluminum alloy probe to quickly and accurately test the total dissolved solids (TDS) of water With just one water quality tester, you can easily monitor multiple important parameters in the water, making it a good helper for home water quality testing. With a water tester, you can quickly test the TDS value to help you understand the turbidity of your household water and keep your drinking water healthy. Design: has function, capable of measuring TDS (Total Dissolved Solids), EC (Electrical Conductivity) and temperature Automatic calibration: The drinking water quality tester has an automatic calibration function, which can adjust according to the water temperature and water quality, and complete the calibration within 1-3 seconds, Manufacturer: Littimoon