Knick Portavo 908 MULTI Instructions page 46

46
pH
Selecting SOP Calibration
1) In measuring mode, press the Menu softkey.
2) Select "Calibration" and confirm by pressing enter.
3) Select the "SOP cal" calibration mode and confirm by pressing enter.
Performing an SOP Calibration
The sequence of buffers to be used is displayed as specified in the configuration.
After each calibration step, the identified buffer is marked off in the display. The next
operation procedure is displayed. Perform the calibration following the instructions
given in the display.
Calibration
pH 4.06 24.1 °C
pH 4.06 pH 7.00
Dip sensor in 1st buffer.
Return
Note: Calibration is not possible when the device is connected via USB with the
Paraly SW 112 software.
pH 9.21
Continue
Calibration
pH 7.61 24.1 °C
pH 4.06 pH 7.00
Dip sensor in 2nd buffer.
First calibration step completed
Options
pH 9.21
Continue