Metrohm 743 Rancimat - Manual (Page 24)

3.2 Mounting accessories ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
16 ￭￭￭￭￭￭￭￭ 743 Rancimat
￭ Now fix the air tube onto the reaction vessel cover by firmly pull-
ing the thread adapter M8 / M6.
￭ If determinations are carried out with highly foaming samples,
clamp the foam barrier (5-9) onto the air tube.
￭ Place the reaction vessel cover on the reaction vessel.
Warning
The foam barrier can melt if it projects too deeply into the heating
block.
Ensure that the foam barrier (5-9) is at least 7 cm above the base of
the reaction vessel (5-10).
3.2.4 Inserting vessels / Establishing tubing connections
After you have assembled the reaction and measuring vessels, insert them
in the Rancimat and establish the tubing connections as follows:
1 Insert the measuring vessel
￭ Fill the measuring vessel (5-20) with distilled water.
￭ Place the measuring vessel cover on the measuring vessel.
￭ Insert the measuring vessel into the openings provided on the
Rancimat. At the same time, carefully insert the connector plugs
(5-15) into the electrode connector (3-2).
￭ Connect the white silicon tubing (5-2) to the tubing adapter
M8 / olive (5-11) of the measuring vessel cover.
2 Mount the tubings for the air supply
￭ Screw the FEP tubings 250 mm onto the air supply connections
(3-3) of the Rancimat.
3 Insert the reaction vessel
￭ Fill the reaction vessel (5-10) with the sample.
￭ After reaching the required temperature, insert the reaction vessel
with the mounted reaction vessel cover in the openings provided
on the Rancimat.
4 Establish the tubing connections
￭ Connect the white silicone tubing (5-2), which is fastened on the
measuring vessel cover, to the tubing connector (5-4) of the reac-
tion vessel cover.