Digital water tester for measuring pH level, widely used in drinking water, swimming pool, aquarium, fish tank, plant, laboratory Digital water tester for measuring pH level , widely used in drinking water, swimming pool, aquarium, aquarium, plant, laboratory The sensitive waterproof probe enables the pH tester to measure values in seconds, quickly and accurately Automatic temperature compensation allows the water quality tester to get accurate readings at different water temperatures Equipped with a rust-resistant probe and a clear LCD display with backlight. Small size and light weight, easy to carry and store Measuring range: 0~14.00ph Accuracy: ±0.1ph Resolution: 0.01ph Automatic temperature compensation: 0°C -50°C