Ensure your water has a perfect PH balance with the Digital PH Meter. This high accuracy water quality tester offers a measurement range of 0-14 PH, making it ideal for testing household drinking water, pools, hydroponics, and more. The PH Meter features an auto temperature compensation feature that adjusts to water temperatures and water quality, providing almost instant PH readings. No need to worry about the temperature of the testing liquid, as the PH meter has built-in automatic temperature compensation (ATC) that accurately determines the PH value of the sample at any temperature in a range of 0C - 80C (32F - 176F). Calibrating the tester is a breeze with the one-touch button using buffer powder. This ensures the PH Meter provides the best accurate and stable readings. The included detailed manual will guide you through the calibration process. Perfect for household or laboratory use, the PH Meter is suitable for testing the PH balance of drinking water, pools, aquariums, RO systems, spas, and hydroponics. Its wide range of applications makes it a versatile tool for maintaining water quality. The PH Meter package includes 1x PH meter, 1x user manual, and 2x 5V LR44 button cells. Everything you need for accurate PH testing is conveniently included.