25
GB
Use the product to slowly stir the pH buffer solution
for a while, and then stop.
CAL
keeps flashing in
the display 6 until the current pH buffer value is
identified.
Upon successful pH buffer value identification,
6.86 pH
is flashing in the display. The calibrated data
is being stored in the internal memory of the product.
End
is flashing in the display for 5 seconds.
The display enters into pH measuring mode.
pH
7 is
shown in the display.
Remove the product from the pH buffer solution.
Clean the electrode probe 1 and the test liquid
absorption rod 1a (see “Cleaning the electrode probe
and the test liquid absorption rod”).
pH calibration: 4.01 pH/9.18 pH
Calibrate the product using the 4.01 pH buffer
solution: Repeat the full procedure of the
“pH calibration: 6.86 pH” section.
