Xylem ProLab 4000 MULTIPARAMETER BENCHTOP METER - Manual (Page 106)

Ion concentration ProLab 4000
106 ba75646e02 01/2010
9.3.1 Carrying out calibration
Use two to nine standard solutions in ascending or descending order.
Preparatory activities Perform the following preparatory activities when you want to calibrate:
Calibration
Note
When calibrating within the framework of a method measurement, it is
always a two-point calibration.
1 Connect an ion sensitive electrode to the meter.
2 Highlight the channel of the electrode in the measured value
display.
3 If necessary, select the ISE display with <MODE>.
4 If necessary, open the Measuring / ISE settings / Ion type menu
and select the ion type to be measured.
5 Keep the standard solutions ready.
6 If necessary, measure the temperature of the standard solu-
tions with a thermometer.
7 If necessary, change the unit of the measurement result and
calibration standards in the menu, Measuring/Units.
1 Perform the preparatory activities (see page 106).
2 Start the calibration with <CAL>.
The ISEX calibration window opens.