KROHNE OPTISENS PAM 2080 EN - Manual (Page 32)

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6.2.2 Carrying out 2-Point-Calibration
Select the measuring channel that you wish to calibrate.
Set the calibration type to 2-point calibration ("Calibration – Cal.method – 2-Point").
Now enter the determined concentrations (laboratory values) of the calibration solutions / pH buffer
for 1st buffer and 2nd buffer in the Cal menu ("Menu – Cal.menu – 2-Point-Calibration – 1 st buffer /
2 nd buffer").
Terminate the entry and return from the Cal menu via the parameter menu back to the measurement
display ("Menu – Cal.menu – Menu – Parameter")
Now place the immersion holder with the probe to be calibrated in the 1st calibration standard. First
clean the probe thoroughly using clean water.
The probe/immersion holder should be moved/swung in the calibration solution if possible.
Now press the Hold button on the converter.
Converter goes into system setting “Maintenance”.
Display symbol “Maintenance”.