TDS Digital Water Quality Tester, a professional and accurate 4-in-1 TDS, temperature, and conductivity meter, 0-9990ppm (5 pieces)

Test your water: How pure is your water With the push of a button, the tds water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million) Easy to use and accurate: Just stick it in about 1 inch of water instantly you get the reading. It's compact and doesn't need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with a belt clip Measurement range: From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking 'x10' image Auto-off and hold function: The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording