2 System Description
301-7146 English Rev B 11/02/2011 Operator’s Manual NA 25
Load and Unload Stations
Six (6) test tube racks (maximum of 60 test tubes) can be placed onto the
load station for measurement. After sampling is completed, the test tube
racks are transferred to the unload station for removal.
Optional Load and Unload Stations
When additional load and unload stations are connected via serial
connections to the system, fifteen (15) additional test tube racks can be
loaded onto the loading tray bringing the batch capacity of the system to
210 test tubes for routine analysis. After sampling is completed, the first
fifteen test tube racks are transferred to the unload tray and when the
unload tray is full, the next six racks remain on the sampler.
Strip Provider Module
The strip provider module can hold at least 300 strips with an on-board
stability of five (5) days (without opening the module during that period).
The strip provider module has a window allowing the user to visually
check the strip supply. When the sampler detects the presence of a test
tube, a test strip is delivered facing up to the strip conveyor system.
Strip Conveyor System
The strip conveyor system moves the test strips through a number of
positions, moving to the next position every 15 seconds. The positions
are as follows:
• a loading position where the presence of a test strip is detected,
• a dosing position where the sample is distributed onto the test strip,
• eight (8) reading positions in sequence.
The test strips are held in place at each reading position so that the strip
reader can capture a complete image of each strip pad. After the last
reading, the test strip is discarded into the waste container.
Strip Reader Module
The strip reader module measures the color of each pad of the chemistry
strips at different incubation times and uses these colors to obtain the
analytes semi-quantitative concentrations. All eight reading positions are
visible in the captured images allowing measurement of the pad color in
15-second increments.
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