How to measure pH with pH meter:
(1) Take off the cap
(2) Press the on/off button, the machine will display the operation
(3) Put the pH meter into the liquid to be tested
(4) Shake the pH meter gently to ensure that the inner bubbles escape, make it fully contact with the solution, and do not collide with the wall of the cup
(5) The pH meter will display the value immediately. Put the pen into the liquid to be tested and wait for the value to stabilize. The correct value will be displayed within 30 seconds.
(6) Press the hold key to lock the value, you can record and read outside the solution to be tested, and continue to press the hold key to unlock the value
(7) Press the on/off button to turn off the ph meter
(8) Gently shake off the excess water on the PH meter test pen, rinse with distilled water or deionized water, and cover the pen cap to measure the temperature. In the test mode, the temperature value and the pH value are displayed on the LCD panel synchronously, but in the calibration mode It is not displayed below, and the value defaults to Celsius.
