Once the evaporation process is under way,
the ∆T value peaks when solvent
evaporation is most rapid. The system sets
an end of stage trigger point at a percentage
value of the ∆T peak (the percentage value
is defined within the method). The screen
shows the end of stage trigger point as a
horizontal dotted line and displays Running
to AutoStop.
When the ∆T value drops to the end of
stage trigger point, the evaporator proceeds
to the next stage. This may be a new stage
(in a multi stage method) or it may be the
final drying stage.
End of stage trigger point
∆T trip point set, evaporator
running to AutoStop
Once in the final drying stage, the screen
shows a vertical dashed line at the projected
end of run time (defined within the method)
and displays Final Stage.
The system continues to operate for the
defined period and then stops automatically.
End of run time
Final drying stage, evaporator
running to time
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