Metrohm 815 Robotic USB Sample Processor XL - Manual (Page 21)

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2.3 Sample racks
A sample rack is a turntable that acts as a receptacle for sample vessels.
Various types of sample racks are available for different numbers and
types of sample vessels.
The 815 Robotic USB Sample Processor XL requires sample racks with up
to a maximum of 48 cm diameter.
Figure 5 6.2041.840 Sample rack
Other user-defined racks can be supplied upon request and the required
rack data can be loaded and configured in the control software. Any
arrangement of rack positions is possible.
Magnet codes
Every single sample rack can be unambiguously identified by means of a
magnet code. The Sample Processor can thus recognize automatically
which rack is in place.
When replacing a rack, this should first be returned to starting position
using the Rack initialization function (see "Manual Control" in the con-
trol software). This will enable an unambiguous recognition of the rack
and thus the correct positioning of the beaker. A positioning table is
assigned to each rack type in which each rack position is defined.