2. General Description
2.2 Optical unit
Front panel controls
Fig. 3. Optical unit. Front panel.
No. Item Description
1 Cell holder The complete cell holder is removed by turning the
locking (Fig. 4:6) knob on the rear panel
2 Sample inlet Inlet for sample flow
3 Sample outlet Outlet for sample flow
4 Reference inlet Inlet for flowing reference liquid. The reference cell
may be operated dry, with static reference liquid
5 Reference outlet Outlet for flowing reference liquid
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