PH Meter Pen with Digital LCD Display 0.00-14.00 Measuring Range 0.01 pH for Aquarium, Swimming Pool Water

Thanks to the large LCD screen with excellent waterproof performance, you can easily read the displayed value 2-point automatic calibration, automatic identification of standard liquid, 5 seconds to complete the calibration Advanced Korean electrode. Sensitive sensor touches the tested solution directly, fast and accurate Automatic temperature calibration. Don't worry about the effect of temperature change on pH. The pH value automatically adjusts to the temperature Easy to use: simply remove the protective cap, immerse the pH meter electrode into the solution and press the button to measure