PH Meter, PH Value Meter Digital Tester Pool ATC Water Quality Test Meter with LCD Display, High Accuracy PH meter pool automatic calibration: simply turn it on, dip in liquid and read display, no need to work with colour cards or messy test strips, this meter gets the result quickly and accurately. PH meter has sensitive electrode sensors, relatively fragile, please protect it. pH value meter easy to use: simply dip the pH meter in the solution for a few seconds to see the water quality quickly and accurately. Learn how to clean and test your water to make your life healthier. Please clean the pH meter with water after use, prepare for the next use Scientific design: small and easy to carry. The large LCD display of the pH meter makes the reading clearer and can be easily read even in a dark environment. PH meter has the function of auto-off to extend the life of the battery. Wide range of uses: ideal digital pH meter for aquariums, fishing, pools, swimming pools, school laboratories, flowing water, aquacultures and other liquids. Different liquids have different measurement results.