General description Fast and accurate readings are achieved with this Digital PH Meter. Simply turn it on, dip it in the liquid, and the reading will display on the large digital screen, eliminating the need for color charts or test strips. The device features an auto calibration function, allowing for easy adjustments without the need for a screwdriver, using the included buffer powders. The Automatic Temperature Compensation (ATC) function ensures accurate readings by compensating for temperature variations in the test objects. Its portable design, resembling a pocket pen, makes it easy to carry in your bag or pocket, making it ideal for various applications. Technical specifications Measuring Range: 0.0-14.0 pH Resolution: 0.1 pH Accuracy: ± 0.1 pH Automatic Temperature Compensation: -55°C ~ 0°C Power Supply: 3 x 1.5V (AG-13 Button Cell Battery) Ambient Temperature: 0 ~ 50°C Relative Humidity: