Smart Bluetooth PH Meter Digital PH Tester Dough Alkali Tester Soil Matrix Acidity Meter for Baby Food Supplement Cheese Cosmetics Item Type: PH Meter Material: ABS Color: As Pictures Shown Weight: Approx. 246g / 8.7oz PH Range: 0.00-14.00PH Temperature Range: 0.1°C-60.0°C , 32.1°F-140.0°F Temperature Resolution: 0.1°C, 0.1°F Temperature Accuracy: ±0.5°C PH Calibration: 6.86/4.00/9.18 or 7.00/4.00/10.01 (Two Optional Calibration Modes) You Can View the Calibration Record Replaceable Electrodes: Drill Electrodes (3.3 KCL M Electrode Stock Solution) Temperature Compensation: 0.1°C-60.0°CEnvironment: 0.1°C-80°C, Relative Humidity: Max 90% Waterproof: IP67 Battery: 4pcs 1.5V LR44 Button Battery (Not Included) Low Battery Indicator Bluetooth: Bluetooth 5.2, Support Mobile Phone Control Save as Excel Sheet, Support Printing Data Storage: Can Store the Latest 1000 Data Records Piercing Electrode: Can Measure the PH Value of Soft Solids, such as Soil, Cheese, Meat, etc.