DEWIN Digital PH Meter for Water, Protable LCD Pen Aquarium, Pool Wine Tester Tool Household Drinking Water Aquariums Hydroponics

【Easy Reading】: Digital Ph meter large LCD screen has good waterproof performance, the digital pH meter allows you to easily read the displayed value, the water quality testing kit is ideal for testing pH values at home and in the laboratory. 【Automatic calibration】: The pH water quality tester automatically calibrates at 2 points, automatically identifies the standard solution, and completes the calibration in 5 seconds. 【High precision】: advanced Korean electrodes. The glass bulb electrode sensor is in direct contact with the solution being measured, and the PH pen tester is fast and accurate, with an accuracy of ±0.01. 【Stable measurement】: Don't worry about the impact of temperature changes on the pH value, The pH value automatically adjusts according to temperature. 【Easy to use】: Just remove the protective cover, immerse the pH tester electrode into the solution, press the "ON/OFF" button to turn on the electronic pH meter, stir gently, and wait a few seconds until the reading is stable.