
Chapter 1: Cytometer Components 29
Sort Block
After leaving the nozzle, particles pass through the sort block where they are
either transported to waste via the waste aspirator, or sorted into a collection
device in the sort collection chamber. The sort block houses the high-voltage
deflection plates, along with the aspirator and aspirator drawer (Figure 1-12).
Figure 1-12 Sort block with door open
Note that the entire sort block assembly can be rotated on a fixed pivot point to
adjust the position of the stream in the waste aspirator. If the keyed stream
position differs between different nozzles, the stream might not hit the center of
the aspirator after the nozzle is changed. In this case, you can change the angle of
the sort block by loosening the adjustment screws on both sides of the deflection
plates and rotating the sort block. An Allen wrench is provided in the accessory
kit. Tighten the screws when the stream is re-centered in the aspirator.
aspirator drawer
sort collection
adjustment screws
aspirator
device
deflection plates
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