1) Test the pH level and temperature of solution/water with data hold function. 

2) Pocket size, light and portable with switchable backlight and large LCD screen for clear reading. 

3) Replaceable pH sensor probe-electrode probe can be replaced with insert type design for convenient and quick replacement. 

4) ATC function (auto temperature compensation), automatic calibration and IP65 full waterproof design. 

5) Apply in water sources, hydroponic growing, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems.