Metrohm 884 Professional VA, Manual - Short Instructions

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2 Overview of the instrument
884 Professional VA
￭￭￭￭￭￭￭￭
23
20 Opening for electrode
For inserting the reference electrode (RE).
21 Opening for electrode
For inserting the driving axle for the RDE
(working electrode - WE).
22 Pipetting opening
For manually dosing solutions. Is closed with
a 6.2709.100 stopper
(7-
5
) .
23 Opening for electrode
For inserting the auxiliary electrode (AE).
24
Opening
For adding or aspirating solutions. Can be
connected with threaded opening
1 , 2 , 3 or
WASTE (FEP tubing from 6.1829.070).
25
Opening
For adding or aspirating solutions. Can be
connected with threaded opening
1 , 2 , 3 or
WASTE (FEP tubing from 6.1829.070).
26 Opening
For adding or aspirating solutions. Can be
connected with threaded opening
1 , 2 , 3 or
WASTE
(FEP tubing from 6.1829.070).
27 Opening
For adding or aspirating solutions. Can be
connected with threaded opening
1 , 2 , 3 or
WASTE
(FEP tubing from 6.1829.070).
28 Opening
For the automated sample addition. Must be
connected to threaded opening
5 (SMP)
(PEEK capillary 6.1831.020).
29 Opening for sensor
For inserting a temperature sensor (Pt1000).
30 Opening
For feeding through the temperature sensor
cables from above.
2.4.3 Tubing connector (measuring head arm)
1
2
3 4 5
6 7
Figure 10 Tubing connector (measuring head arm)
1 Nipple (N
2
)
Is connected to the threaded openings TAP ,
PURGE and N
2
via the measuring head arm.
For voltammetric applications, not applica-
ble to CVS analyses
.
2 M6 threaded opening (3)
For connecting tubing for aspirating or add-
ing solutions.