Hach-Lange POLYMETRON 9245 User Manual - Manual (Page 88)

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Calibration
8.3 Calibration - Menu overview
8.4 Start calibration
8.4.1 Calibrate known addition
Figure 21 Calibration menu
Select the START CALIBRATION option to calibrate the
analyzer manually.
Select the CAL.KNOWN ADDITION option to calibrate the
analyzer by mixing the sample with a known concentration of
calibration solution.
The concentration of the calibration solution is defined in
Automatic calibration setup on page 90 .
The instrument first checks that the volume of calibration
solution remaining is enough. If not, a warning alarm is
activated and the instrument returns to normal measurement
with the original parameters.