【Simple and Practical】Say goodbye to guesswork and instability with a pH meter for water that gives you accurate, consistent pH test results. With an accuracy of ±0.1 PH, the pH tester provides quick results and can test the pH of any liquid from 0-14PH 【Automatic Calibration】High-precision water quality tester with automatic calibration button can automatically identify the standard buffer solution with pH4.00 and pH6.86. To maximise convenience, simply press the calibration button 【Mini Size】L 149 mm * W 25.5mm We designed our mini pH meter to fit easily in your pocket so you can take measurements anywhere, anytime. Whether you take it to the pool, travelling, beach or camping, it can help you test 【Easy to use】Just remove the protective cap and dip the electrode of the PH meter into the solution, and press the button to measure. Ideal for household or laboratory; Suitable for testing the pH balance of drinking water, pool, aquarium, RO system, spa or hydroponics; food, wine and beer making and more 【A wide range of applications】The new version of the digital water quality tester is a very practical and simple product.mainly used to measure the PH value and detect the water quality. at the same time, the PH value of various liquids can be tested.the water quality tester is a good tool for a variety of applications: Aquariums, swimming pools, fisheries, spas, laboratories, chemical industry, hydroponics, agriculture, etc