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Submerge probe in pH10.01 buffer solution. Stir the
solution briefly and allow it to stay in the buffer solution
until
appears and stays. Press
key to finish
calibration.
Calibration completed, instrument goes back to
measurement mode.
5.4
Customized calibration (take 2.00pH and 7.30pH calibration solution as
an example)
1. Select User in parameter setting 1.1, press
key to
return to measurement mode.
2. Long press
key to enter calibration mode, as
shown in left graph. Rinse pH probe in purified water,
remove excess water by shaking or filter paper. Press
key to confirm.
3. Submerge probe in pH2.00 buffer solution. Stir the
solution briefly and allow it to stay in the buffer solution
until
appears and stays. Press
or
key to adjust measuring value to 2.00pH. Press
key to finish calibration.
4. Rinse pH probe in purified water, remove excess water
by shaking or filter paper. Press
key to confirm.
If only need one point calibration, press
key to
return to measurement mode.
