Bürkert 8619 multiCELL WM AC, Operating Instructions Manual

Page: 147 / 194

The 8619 displays the calibration result
1)
Rinsing
7.001 pH
-59.6 mV
±25.00 °C
→
Immerse the clean probe in the first
buffer solution: the 8619 displays the
measured pH of the solution.
→
Enter the pH of the buffer solution (indicated on the bottle)
→
Wait until the measured pH stabilises.
Calibration Mx:pH/ORP Manual pH calib.
OK
F4
1st point
7.035 pH
7.000 pH
pH calibration result
Zero: 7.000 pH
Slope:-59.15 mV/pH
Calibrate using a
2nd point?
NO
→
Rinse the probe.
→ confirm rinsing by "OK" when the pH reaches
the desired value.
OK
F4
2nd point
2.967 pH
2.000 pH
→
Immerse the clean probe in the second buffer solution:
the 8619 displays the measured pH of the solution.
→
Enter the pH of the second buffer solution (indicated on the bottle)
→
Wait until the measured pH stabilises.
OK
F4
pH calibration result
Zero: 7.000 pH
Slope: -59.15 mV/pH
YES
The 8619 displays the
calibration result.
1)
1)
• a possible "warning" message indicates either an error in the solution or the ageing of the probe.
• a possible "error" message indicates that the probe must be replaced.
147
Adjustmentandcommissioning
Type 8619
English