High quality & durable: it is very precise for a measurement range from 0 to 14 pH, a resolution of 0.01 pH, operating temperature: 0 °C ~ 60 °C; Measures and displays the PH result simultaneously with the LCD display, reliable and fast reading. Fast and precise readings: just turn it on, plunge into the liquid display and read, no need to work with colored tables or test strips; A large LCD screen allows you to read easily. Precise: This counter obtain the quick and precise result, the resolution is 0.01 and with a drink of precision (0.01), measurements full of pH 0-14! Large use: PH PH Me Memeter pocket format is the ideal test kit for home and laboratory uses. Ideal use for testing water, swimming pools, aquariums, spas, hydroponics, food, wine and beer manufacturing and more. Automatic calibration: does not require any adjustment screwdriver, just finish the calibration with the automatic calibration button and includes buffer powders.