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

✔ Large, easy-to-read backlit LCD screen: The water quality meter's large, backlit LCD screen is far superior to other displays, allowing for wider data reading and viewing angles, even at night. ✔ Wide range of uses: The pocket pH meter is an ideal pH tester for water, swimming pools, aquariums, hot springs, hydroponics, food production, winemaking, and brewing. ✔ Fast and accurate: Ensure your drinking water, swimming pool, and hydroponic systems maintain perfect pH balance with this pH tester for precise pH measurements. The pH meter is equipped with a sensitive electrode sensor for accurate pH measurement. ✔ Automatic temperature compensation: No need to worry about the temperature of the liquid being tested, as the pH meter incorporates automatic temperature compensation (ATC), which accurately determines the sample's pH. • ✔ [Easy Calibration]: The pH pen features automatic temperature compensation, adjustable according to the temperature and quality of the sampled water, and provides a near-instantaneous pH reading. The tester can also use buffer powder for testing.