TDS Meter Digital Water Tester, LCD Display, 0-9990 PPM
TDS Meter Digital Water Tester, LCD Display, 0-9990 PPM Measurement Range, 2% Reading Accuracy, Portable Design for Household, Swimming Pools, Aquariums, Aquaculture, Hospitals Directions: 1. Turn on the TDS tester. 2. Immerse it in the liquid to be tested. 3. Read the measurements on the LCD display. 4. For automatic calibration, use the automatic calibration button. 5. Carry the tester...