Digital pH tester, professional pH pen, high precision 0.01 pH, measuring range 0-14 pH, ideal water pH tester for household drinking water, swimming pools and aquariums

✔ Large, easy-to-read backlit LCD screen: The water quality meter, with its large backlit LCD screen, is far superior to other screens, allowing for wider data readings and nighttime viewing angles. ✔ Wide range of uses: The pocket pH meter is an ideal pH tester for water, swimming pools, aquariums, hot springs, hydroponics, food, wine, and beer making. ✔ Fast and accurate: Ensure your drinking water, swimming pool, and regular hydroponic pH have a perfect pH balance and can be used with an accurate pH tester. The pH water meter has a sensitive electrode sensor that can read the precise pH value. ✔ Automatic temperature compensation: There's no need to worry about the temperature of the liquid being tested, as the pH tester has a built-in automatic temperature compensation (ATC) function, which can accurately determine the pH value of the sample. ✔ [Easy Calibration]: The pH pen features automatic temperature compensation, which adjusts according to water temperature and quality, providing an almost immediate pH reading. The tester can also use buffer powder for testing.