High Accuracy: With a high sensitivity probe, you get a full measurement range of 0 to 14 pH, 0.01 pH resolution, 0.01 pH resolution. . 3 in 1 Water Quality Tester PH, TDS and temperature can be measured simultaneously with high accuracy. Omnidirectional water quality measurement to ensure water health. . Automatic temperature compensationTemperature can influence measured values. The automatic temperature compensation of our pH tester can ensure you get the best measurement value possible. Our area has better0-70 degree range, allowing you to test safely in any environment. . Wide ApplicationThe pH value is ideal for pH testing in homes and laboratories, including drinking water, pool, pond, beer brews, kombucha, aquariums, hydroponics, laboratory, food processing,etc . Mini size: delivered with a protective case. Lightweight design for greater mobility and comfort. You can take action anytime and anywhere. .