【High-precision measurement】The pH tester has a measurement range of 0-14 PH with a resolution of 0.01 PH. Compared with traditional pH test paper, the operation is simpler and the measurement results are more accurate. 【Automatic temperature compensation】The pH meter has built-in automatic temperature compensation (ATC), which can automatically compensate for temperature differences according to changes in water temperature. Working temperature: 0℃~60℃. 【Professional design】The electronic pH tester is equipped with a precision glass bulb electrode temperature sensor for faster response speed; The LCD display is designed for easy reading of measurement results. 【Wide range of uses】The pH meter can be widely used in: drinking water, aquariums, swimming pools, hydroponics, food acid-base measurement, etc. 【Low power consumption】The pH meter tester is powered by 1*3V CR2032 battery, which is more energy saving. The product is small in size and easy to carry.