Fast and high precision: electronic ph tester Simply remove the protective cap and immerse the electrode of the pH meter in the solution and press the ON or OFF button to measure. The tester features a sensitive electrode sensor to read accurate pH levels from 0-14. Ensure your swimming pool, general hydroponic pH or even drinking water has perfect pH balance and provides a safe to use Auto Calibration: Auto Calibration: The pH tester has an automatic temperature stabilization feature that adjusts to temperatures and water quality to give pH readings almost instantly . You can also calibrate the tester with just one button using the buffer solution Automatic temperature compensation: ph tester No need to worry about the temperature of the liquid to be tested anymore, the pH meter has built-in Automatic Temperature Compensation (ATC). Swimming Pool PH Meter So it can accurately determine the pH value of the sample at any temperature within a range of 0C to 60C Many uses: swimming pool ph tester Ideal for home or laboratory use, suitable for testing pH balance of drinking water, for RO system for aquarium, swimming pool, SPA, or hydroponics. Suitable for a wide range of applications Satisfaction Guaranteed: Comes with 1 x Electronic pH Meter, 1 x User Manual, PH Meter Digital water: Durable and 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, reading fast and reliable. Just remove the protective cap and immerse the pH meter electrode in the solution and press the ON or OFF button to measure It's much more effective than a color preview on a strip litmus paper 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 that you can slip the device into your pocket wherever you go to perform a pH test. Also comes with a handy storage case and 2 dedicated buffer solution packets for solution calibration Tips: Please exercise caution when using the probe in glass as it is a little fragile Be sure to wipe it gently with a clean, soft cloth when you are finished before resealing