[Function] Digital TDS tester is used to test filter water purity and check water performance. To ensure that you always drink pure and healthy water, it is recommended to use TDS flow meters for each household. [Wide range of applications] This product can be used to monitor the water quality of purifiers and filters, food (vegetables, fruits) and beverages, swimming pools and spas, aquariums, hydroponics, etc. < p>Auto-off function: after 10 minutes of non-use, the meter will turn off to save battery power and ensure long-term use. Keep function: The detector of water quality records measurement results, which is easy to read and record. Measurement range: 0-9990ppm, with 1ppm resolution. From 1,000 to 9,990 ppm with 10 ppm resolution
