STEPS FOR USE
Dissolve each buffer solution in 3 beakers filled with 250 ml distilled water and switch to pH mode.
1. Unplug the protective cap from the electrode, switch on the product and place it in the solution to be measured, then measure;
2. Touch "MODE" to toggle the desired function in ph or ppm mode, when the value is stable, touch "HOLD" to lock the value and read the value. Long press "TEMP" to change ℃/℉ ;
3. For calibration, long press "CAL" to enter automatic calibration mode, the product supports three-point calibration ----- 6.86 + 4.00 + 9.18 Automatically identify the calibration solution and calibrate automatically.