Thermo Scientific Dionex UltiMate 3000 Series Operating Instructions Manual page 62

UltiMate 3000 Series:
Fluorescence Detectors FLD-3100 and FLD-3400RS
• The flow cells are sensitive to dirt and dust. Therefore:
♦ Always keep unused flow cells in their original dust-free packaging.
♦ Always hold flow cells by the flow cell body with the type label. Do not touch the
optical block of the flow cell (→ Fig. 15, page 48).
♦ Even during periods of detector inactivity, a flow cell or the cover shipped with the
detector must be installed. This is to prevent dust particles from causing damage to the
detector optics.
♦ When shipping the instrument, remove the flow cell and install the special cover to
protect the flow cell opening. Close the flow cell inlet and outlet with the plugs that
were installed when the flow cell was shipped (→ Fig. 19). The flow cell must be
shipped in its original packaging.
• During longer idle times, the flow cell should not be filled with pure water to avoid the
growth of algae. Add 10% HPLC-grade isopropyl alcohol, for example, and plug the
flow cell input and output using the plugs that were installed when the flow cell was
shipped (→ Fig. 19). Using different plugs and tightening them may destroy the flow
cell.
• If a flow cell leaks, remove the flow cell from the detector as quickly as possible, and
replace the flow cell.
• For information about how to clean a flow cell, see page 109.
Page 54
Fig. 19: Original Dionex flow cell plugs
Operating Instructions