2 in 1 pH & Temperature Meter Digital pH Monitor Dual Display Water Quality Tester with ATC and Automatic Calibration Function, pH Tester for hydroponics, Aquarium, Pools, etc.
【AUTOMATIC CALIBRATION】: pH Meter designed with One key calibration method, calibrating with solutions pH 4.00, pH 7.0, and pH 10.01 to ensure the accuracy of your measurements