Digital pH Meter Pen, Portable Electronic Water Quality Tester, Measuring Range 0.00-14.00, Accuracy ±0.05 pH, Automatic Calibration Function

【Fast Calibration】Automatic 2-point calibration, automatic standard liquid identification, calibration completes in 5 seconds.
【Automatic Temperature Calibration】Don't worry about the effect of temperature changes on pH; the pH value will automatically adjust to the temperature.
【Wide Application】This digital pH meter pen is an ideal instrument for any aquarium, fishing industry, swimming pools, school laboratories, food and beverage industry, etc.
【High Accuracy】Advanced Korean electrode. The sensitive sensor makes direct contact with the solution being tested, ensuring fast and accurate results. [Easy to use] Simply remove the protective cap, immerse the pH meter electrode in the solution, and press the button to measure.