© PCE Instruments
4
Calibration procedure pH 7
1) Rinse the electrode in distilled water completely.
2) Connect the pH electrode to the meter and immerse it into the relevant calibration solution.
3) Power on the instrument.
4) Press the "CAL" key. The desired calibration value pH 7 will appear.
The display will show:
7.00
pH
CAL
5) Press the "ENTER" key to confirm.
Calibration procedure pH 4
1) Rinse the electrode in distilled water completely.
2) Connect the pH electrode to the meter and immerse it into the relevant calibration solution.
3) Power on the instrument.
4) Press the "CAL" key. The desired calibration value pH 7 will appear.
The display will show:
7.00
pH
CAL
5) Press the
▼ (Down) key until the desired calibration value appears:
4.00
pH
CAL
6) Press the "ENTER" key to confirm.
