Installation Of Flow Cells - Teledyne UA-6 Installation And Operation Manual

Figure 2-4 Changing the Source Screen in the Type 11 Optical Unit
2.6 Installation of Flow
Cells
ters by pulling gently. Take care not to drop them, they are
breakable.
2. Press the selected filters in place and return the BASE-
LINE ADJUST control to its previous position. Close the
optical unit.
3. Select the source screen that matches the filters chosen.
Remove the source screen holder as shown in Figure 2-4.
4. The source screen holder will have one source screen and
one metal blank of the same size.
Loosen the thumbscrew and replace the source screen with
the slide matching the new wavelength selected. Place the
new source screen and the metal blank in the slide holder
and tighten the thumbscrew.
5. Return the source screen holder to the slot in the Type 11.
Note
Always connect flow cells so that the direction of flow is up
Select the correct flow cell for your application (see Section 3.2).
Using the two white latches on the front, open the optical unit
and install the flow cells into the reference and measuring com-
partments as shown in Figure 2-5. If the reference cell is left dry
(as recommended) it is not necessary that the two flow cells used
be of identical pathlengths or even equal cell types. It is recom-
mended that the UA-6 always be operated with flow cells in both
reference and measuring compartments. Do not operate without
a flow cell in the reference compartment.
UA-6 Detector
Section 2 Preparation for Use
2-5