This is a TDS digital meter tester for testing the purity of filtered water. Check the performance of the water filter, check the hardness, and make sure to always drink pure water. Record the measured values to facilitate the reading and registration of new arrivals. feature: [LCD screen] The water quality test has a large, easy-to-read LCD screen. Thanks to its advanced microprocessor technology, it is very efficient and precise. [Easy to use] It supports automatic temperature compensation and water quality test, and can switch between TDS and conductivity. [Portable] Small in size, but suitable for testing the pH balance of drinking water, swimming pools, aquariums, RO systems, spas or hydroponics. [Wide field of application] It can be used for water purifiers and filters, monitoring the quality of food (vegetables, fruits) and beverages, swimming pools and spas, aquariums and the hydroponics. white
