Easy, fast and high precision: Simply remove the protective cap and immerse the pH meter electrode in the solution and press the ON/OFF button to measure. The tester features a sensitive electrode sensor to read precise pH levels from 0 to 14. Ensure that your swimming pool, general hydroponic pH or even drinking water has perfect pH balance and provides a risk-free use Automatic calibration: Auto calibration: The pH tester has an automatic temperature stabilization function that adjusts to temperatures and water quality to give pH readings almost instantly . You can also calibrate the tester with one button using the buffer solution Automatic temperature compensation: There is no longer any need to worry about the temperature of the liquid to be tested, the pH -meter having built-in automatic temperature compensation (ATC). Thus, it can accurately determine the pH value of the sample at any temperature over a range of 0C to 60C Wide uses: Ideal for home or laboratory use , suitable for testing the pH balance of drinking water, for RO system for aquarium, swimming pool, SPA, or hydroponics. Suitable for a wide range of applications Digital pH water meter: The pH meter is useful for people needing a pH tester for home use and laboratory Ideal for home or laboratory use. Suitable for testing the pH balance of drinking water, for RO system for aquarium, swimming pool, food, SPA, or hydroponics Features: Measuring range: 0.00 -14.00 pH Resolution: 0.01 pH Accuracy: 0.01 pH Details: Durable and durable high quality: very accurate over a measuring range of 0-14 pH, resolution of 0.1 pH, measures and displays the pH result simultaneously with the LCD display, quick and reliable reading Simply 'remove the protective cap and immerse the pH meter electrode in the solution and press the ON/OFF button to measure. This is much more effective than a preview of the colors on a strip of paper sunflower Easy to calibrate: you can simply follow the instructions on the supplied packet of 4.01 or 6.86 solution, and immerse the pH meter in the solution until the numbers are stable Pocket size: only 52 g, with dimensions of 15.2 x 2.8 x 1.3 cm so you can slip the device into your pocket wherever you go to perform a pH test. Also comes with a convenient storage case and 3 buffer solution packets dedicated to calibrating the solution Tips: Please exercise caution when using the glass probe as it is a slightly fragile Be sure to wipe it gently with a clean, soft cloth when finished before resealing Package Contents: 1 x pH -meter