Metrohm 838 Advanced Sample Processor

3.1 Sample racks
Metrohm 838 Advanced Sample Processor, Appendix 67
Special beakers
Special beakers are reserved positions on a sample rack. Up to 16
special beaker positions can be defined per rack. They can be selec-
tively moved to during a run sequence without interrupting the sample
series run or interfering with it. Special beakers can be used for rinsing
the electrode during a sample sequence or for calibrating an electrode
in a start sequence (buffer solutions), etc.
Reserved special beaker positions are automatically recognized in a run
sequence and are skipped over when the individual sample beakers
themselves are being processed.
Special beakers are moved to with
MOVE 1 : spec.1.
The following settings can be made separately for each special beaker
position on a rack:
• Rack position
• Working height at Tower 1
• Working height at Tower 2
• Beaker radius
• Beaker sensor
If a special beaker is required in a run sequence, but the Sample Proc-
essor cannot find a beaker at the reserved position, then an error mes-
sage will always appear.