4-in-1 digitales pH-Meter, LCD-Bildschirm, Wasserqualitätstester

【4-in-1】Easily test the water quality of tap water, hot tub water, home brewing water, potting soil, aquarium water, hydroponic system water, and swimming pool water. This pH meter is compact, lightweight, and easy to carry. 【High Accuracy】The pH meter measures from 0.00 to 14.00 (pH). pH resolution is 0.01 pH, with an accuracy of ±0.01 pH. The blue backlit LCD display shows measurement results quickly and reliably. 【Easy Calibration】This pH meter features three-point automatic calibration. No tools are required; simply remove the protective cap and immerse the pH meter electrodes in the solution. Press the on/off button to start the electronic pH meter, stir gently, and wait a few seconds for the reading to stabilize. 【User-Friendly】The pH meter has a self-calibration function, allowing you to take measurements quickly. 【Wide Application】A single calibration powder can be easily stored in a drawer, bag, or box for convenient access. It is ideal for testing the pH of drinking water, aquariums, swimming pools, spa pools, or hydroponic systems.