Metrohm 887 Professional UV/VIS Detector - Manual (Page 41)

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 6 Handling and maintenance
887 Professional UV/VIS Detector ￭￭￭￭￭￭￭￭ 33
If the noise persists, the flow-through cell must be dismantled and
cleaned manually (see "Dismantling and cleaning the flow-through
cell", page 33).
Dismantling and cleaning the flow-through cell
Note
Ex works, the retaining screws are tightened with a torque wrench. This
guarantees a pressure stability up to 5MPa (50bar).
Once the flow-through cell has been opened and closed again, this
maximum pressure stability can no longer be guaranteed.
Preconditions:
￭ Rinsing the flow-through cell with solvent was inefficient.
Required tools:
￭ To open the measuring cell, you need a slotted screwdriver size 5.
￭ Seals from seal set 6.2764.000
1 Removing the flow-through cell
￭ Disconnect inlet capillary and outlet capillary,
￭ Loosen the knurled screws and remove them,
￭ Remove the flow-through cell from the cell holder.
5
4
3
1
4
3
1
2
6
Figure 13 Flow-through cell – parts