Buchi KjelSampler K-377 Manuel d'utilisateur Page 125

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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
2O pump
Path: System Preparation Pump Calibration
Select H2O 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 H2O.
Transfer the dosed volume into a graduated cylin-
der, measure the volume and enter the measured
volume in the “Calibration volume [mL]” screen.
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