wtw Turb 550, Operating Manual

Page: 24 / 54

Operation
24
Installing a flow-
through vessel
To install the flow-through vessel, proceed as follows:
1 Pull the white marker pin out of the casing (2) of the
cell shaft
2 Unscrew and remove the casing (2) using the tighten-
ing key (8) provided
3 Place the fixing ring (1) on the cell shaft
4 Reattach the casing (2) and tighten it up using the
tightening key (8)
5 Insert the white marker pin again in one of the holes
on the casing
6 Insert the sealing ring provided (3) into the casing of
the cell shaft
7 Screw the screw-in cell (7) into the base of the flow-
through vessel (5)
8 Make sure that the outside of the cell is clean, dry and
free of fingerprints
9 Insert the flow-through vessel (5) with the cell at the
bottom into the cell shaft of the measuring instrument
10 Align the flow-through vessel with the cell (see A
LI
-
GNING AN UNMARKED CELL
)
11 Leave the flow-through vessel in this position and
hold it by the lower, knurled section
12 Using the other hand, turn the fixing ring (1) clock-
wise so that it clicks into place and secures the flow-
through vessel
13 Plug the outlet hose onto the outlet (4) and position it
so that its end is lower than the flow-through vessel
and the sample can run out into a suitable vessel or
drain
14 Replace the lid (6).