BUCHI KjelSampler K-377 - Manual (Page 125)

7 Maintenance
125 K-375/376/377 Operation Manual, Version B
7 .3 Monthly maintenance
7 .3 .1 Calibrating the pump
It is recommended to calibrate the pumps with the same volume as used for the methods.
To perform the calibration a graduated cylinder is needed.
Example H
2
O pump
Path: System Preparation  Pump Calibration
• Select H
2
O for “Pump”
• Enter the quantity to be dosed (e. g. 50 mL) for the
parameter “Dose volume”. (The last measured vol-
ume is always shown under “Calibration volume”)
• Press Start to start dosing H
2
O.
• Transfer the dosed volume into a graduated cylin-
der, measure the volume and enter the measured
volume in the “Calibration volume [mL]” screen.