High Precision Measurement ph tester has a measurement range of 014 PH with a resolution of 0.01 PH. Compared with the traditional PH test paper, the operation is simpler and the measurement results are more accurate.Automatic temperature compensationThe PH meter has automatic temperature compensation ( builtin ATC), which can automatically compensate for temperature differences based on changes in water temperature. Working Temperature: 0~60.Professional DesignThe electronic ph tester is equipped with a precision glass bulb electrode temperature sensor for increased response speed; the LCD display is designed for easy reading of the measurement results.Wide range of uses pH meter can be widely used in: drinking water, aquariums, swimming pools, hydroponics, food acidbase measurement, etc.Low Power ConsumptionThe ph meter tester is powered by 1*3V CR2032 battery, which is more energysaving. The product is small in size and easy to carry.