This high-precision pH tester is designed for accurate and reliable results. With a measure range of 0.00-14.00pH, resolution of 0.01pH, and an accuracy of ±0.1pH, it ensures high precision for your testing needs.Our user-friendly water tester is easy to use and calibrate. Add calibration solution to water, then simply press the CAL button to automatically detect the calibration solution. Easy to use, accurate measurements, saving you time and effort.This pH water tester is perfect for various applications, including pools, aquariums, spas, hydroponics, food, wine, brewing/fermentation, environmental protection, pharmaceutical, and fish tanks. It even floats if dropped in water.With its compact, portable design, our pH test is ideal for on-the-go testing. It is equipped with a clear, easy-to-read LCD display and automatic temperature differential calibration for optimal performance.This water pH tester includes batteries, a user manual, and 2 calibration solutions. It’s perfect for testing drinking water pH and can also be used as a pH tester for fish tanks, a pH probe, or a pH meter for fermentation.