
26 BD FACSAria II User’s Guide
Tube Holders
A variety of tube holders are provided with the cytometer to accommodate tubes
from 15-mL centrifuge tubes to 1.0-mL microtubes (Figure 1-9). (For a list of
compatible tubes, see Labware on page 269.) To load a tube, install the
appropriate-size tube holder onto the loading port, and place a tube in the holder.
NOTE Make sure to press the tube holder down firmly onto the metal rod in the
loading port, so the tube holder is seated correctly each time a tube is installed.
When the Load button is clicked in the software (see Acquisition Controls on
page 97), the loading port rises to enclose the tube within the chamber.
Figure 1-9 Tube holders
After a tube is loaded, the Load button changes to Unload. Click the Unload
button to lower the loading port after data has been recorded. After each tube is
unloaded, sheath fluid flushes the sample tubing inside and out to reduce
potential sample carryover.
To prevent injury from moving parts, keep your hands and clothing away
from the loading port when a tube is loading or unloading. Do not place
objects under the loading port.
15 mL
12 x 75 mm
tube holders
1 mL microtube
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