ActionStep
1
Select Calibrate and press ENTER (2).
2
Select Sensor 1 and press ENTER.
3
Select pH and press ENTER.
4
Select Buffer Cal and press ENTER.
5
Select Auto and press ENTER.
6
Select Start Auto Cal and press ENTER.
7
Rinse the pH probe with de-ionized water.
8
Put the probe into the pH 4 buffer. Stir approximately ten times and make
sure no air bubbles are present on the probe.
9
Press ENTER to start the calibration. When the calibration reading is
finished, the system displays a range of pH values.
10
Select the closest value to pH 4 from the list with the navigation keys
and press ENTER.
Result: The system displays Place the sensor in Buffer 2.
Rinse the pH probe with de-ionized water.3
Calibrate the probe at pH 10 as follows:4
1
Put the probe in the pH 10 buffer. Stir approximately ten times and make
sure no air bubbles are present on the probe.
2
Press ENTER to start the calibration. When the calibration reading is
finished, the system displays a range of pH values.
3
Select the closest value to pH 10 from the list with the navigation keys
and press ENTER.
Result: The pH probe is autocalibrated to pH 4 and pH 10. The slope and
offset values are displayed.
Make a note of the slope and offset value from the display.
Tip:
Consult the probe manufacturer's manual for acceptable slope value range.
5
Press EXIT (3) repeatedly until you reach to the main screen.6
Rinse the pH probe with de-ionized water.7
Disconnect the probe cable from the pH probe.8
160 Xcellerex XDM 50-1000, XDUO 100-1000 mixers Operating Instructions 29251615 AD
6 Preparation
6.4 Prepare and install the probes
6.4.1 Calibrate the pH probe
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