Pocket Format with 0-14 pH Measuring Pool pH Value Meter Digital PH Tester Water Quality Tester with LCD PH Meter Pool pH meter: no work with annoying paint folders and test strips. Resolution: 0.01 pH, Accuracy: 0.01 pH pocket pH meter, which is also lightweight and compact. Fully concealed seat in handbag or pocket for easy and casual carrying. pH Easy to use: simply dip the electrode of the pH meter into the solution to be tested, the readings will be displayed quickly on a large LCD screen. Submerge a little in the water, let the liquid touch the bulb, you can see the result, not too deep. Digital pH meter operating temperature: 0C to 60C. Digital pH meter size: 15.5 x 3 x 1.5 cm. 1 set of free pH calibration powder, easy to calibrate with the included pH calibration powders 4.01 and 6.86 in PH make the strips more accurate. High precision for a pH measuring range of 0-14, 0.01 pH resolution, comes with a protective cap to prevent electrode injuries Automatically Calibrated pH Meter - Features a built-in calibration with 3 buffer powders (included). Just press a button to complete the calibration. This pH meter is factory calibrated. Users can use it directly. Chlorine and pH meter for swimming pools. Wide application: ideal tool for any aquarium, fishing industry, swimming pools, spas, school laboratories, food and drinks, drinking water, etc.