High-precision pH meter, digital pH tester, pH measuring range 0-14High quality, the ideal choice for families.

Measuring range: pH 0-14 Instructions for use: Step 1: Remove the protective cap, clean the pH meter electrode with distilled water, and dry it and the surrounding area with filter paper. Step 2: Press the "On/Off" button to turn on the device. Immerse the instrument in the solution to be tested, ensuring that the measuring electrode is submerged. Gently agitate the device to remove any air bubbles. Once the measurement has stabilized, read the displayed value. After use, press the "On/Off" button to turn off the device, rinse the electrode with clean water, and then replace the protective cap.