3 in 1 Multifunctional Water Test Meter pH, test strips and temperature are perfectly combined in one meter. The pH tester is convenient for your water pH testing needs, saving you time and money for water quality safety. High Precision and Fast MeasurementThe algorithmic chip and high precision electrode of our digital water pH tester ensure accurate and fast response. With automatic temperature compensation, the pH meter can accurately determine the pH value of the sample in the temperature range of 0C-80C, so as to solve the inaccurate problem caused by liquid temperature . Innovative Litmus Test Strips FunctionDesigned with Litmus test strips function, the color of LCD screen will change with the change of pH value, just like Litmus test paper . You can get the pH value faster and more accurately. In addition, the backlit high-definition LCD screen, dual data display, all details are intended for high precision and long-term use. Effortless Sustained Accuracy The pen of water quality has been calibrated by the manufacturer. The digital pH meter uses ONE POINT OR THREE POINT calibration method (PH 4.00, 6.86 and 9.18), you can calibrate effortlessly to ensure the accuracy of your measurements. Wide UseLitmus pH meter with test strips function is an essential tool to improve your quality of life. This digital pH tester can be applied for drinking water quality test, swimming pool quality monitor, pH balance measurement in RO/DI system, aquarium, spa, bath hot tub or hydroponics, etc. Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some deviations. color differences, please refer to the actual item received.