PH Meter, Portable 0.01 Accuracy 0 14PH Test Range Pen For Water Or Pool

LCD SCREEN: PH Meter Pen's large LCD screen allows you to easily read the displayed value, electronic readings, clear and accurate, display to two decimal places, and the screen is also waterproof 2-POINT AUTOMATIC CALIBRATION: This PH Meter uses PH4.00, PH6.86 two-point automatic calibration, which can automatically identify most of the liquid, and can complete the calibration in about 5 seconds, so that you can quickly and accurately perform the second time. measuring ADVANCED ELECTRODES: PH Tester's interior uses advanced, high-quality electrodes, and sensitive sensors are in direct contact with the test fluid for fast detection and accurate readings AUTOMATIC TEMPERATURE CALIBRATION: You don't have to worry about the temperature of the liquid affecting the reading of the test, because the PH Meter Pen can automatically calibrate the temperature and adjust it according to the temperature of the liquid so that the reading is not affected by temperature. EASY TO USE: just remove the LCD PH Tester's protective cover, immerse the pH meter electrode in the solution, and then press the button to be measured to get an accurate reading