Instruction Manual
KH Director®
EN
2018-02-19
27
Wait until the measurement is done. this can take up to 5 minutes.
As soon as the calibration of the electrode to pH 4 has been completed, you will be asked to
immerse the sensor in the
green
calibration liquid
pH 7
.
Shake the electrode well and wipe it dry with a lint-free cloth. Then immerse the sensor in
the calibration liquid and continue the calibration with pH 7.