© PCE Instruments
6
8
Clear calibration
1) Power on the instrument.
2) Press the "CAL" key.
The following will be shown in the display:
7.00
pH
CAL
3.
Press the ▼ (Down) key until the following appears:
CLr
pH
CAL
4. Press the "ENTER" key to confirm.
When the calibration has been cleared, the display will show:
End
9
Measuring procedure
1) Power on the instrument.
2) Immerse the electrode into the desired solution.
3) The instrument will display the measured pH value.
4) Rinse the electrode with distilled water.
