4.
Highlight 1 point and press
Enter
.
5.
If necessary, use the up and down arrow keys to adjust the pH buffer value.
6.
Press
Enter
to complete the calibration or press
Cal
to cancel.
7.
‘
Calibration Successful
’ will display for a few seconds to indicate a successful
calibration and then the instrument will return to the Run screen.
8.
If the calibration is unsuccessful, an error message will display on the screen.
Press the
Cal
key to exit the calibration error message and return to the Run
screen. Refer to the troubleshooting section of the manual for a possible
solution or contact YSI Technical Supportelectrolyte will overflow.
2 or 3-Point Calibration
1.
Place the sensor in pH buffer 7 or 6.86 and allow the temperature and pH
readings to stabilize.
2.
Press and hold
Cal
for three seconds.
3.
Highlight
pH
and press
Enter
. If pH is not listed as an option, check the System
Setup menu to ensure pH is enabled in the ISE Sensor Type menu.
4.
Highlight
2 point
or
3 point
and press enter.
5.
If necessary, use the up and down arrow keys to adjust the pH buffer value.
6.
Press
Enter
to continue to second point.
7.
Rinse the sensor and place it in the second pH buffer (4/4.01 or 10/9.18). If
necessary, use the up and down arrow keys to adjust the pH buffer value.
8.
Wait approximately 30 to 60 seconds for the pH sensor to stabilize and for the
temperature reading to stabilize.
9.
Press
Enter
to either complete the 2-point calibration or to continue with the 3rd
calibration point. Or, press
Cal
to cancel.
10.
If continuing on with a 3rd calibration point, rinse the sensor and place it in the
third pH buffer (4/4.01 or 10/9.18). If necessary, use the up and down arrow keys
to adjust the pH buffer value.
11.
Wait approximately 30 to 60 seconds for the pH sensor to stabilize and for the
temperature reading to stabilize.
12.
Press
Enter
to complete the 3-point calibration. Or, press
Cal
to cancel.
13.
‘
Calibration Successful
’ will display for a few seconds to indicate a successful
calibration and then the instrument will return to the Run screen.
14.
If the calibration is unsuccessful, an error message will display on the screen.
Press the
Cal
key to exit the calibration error message and return to the Run
screen.
