Metrohm 894 Professional CVS - Manual (Page 23)

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2 Overview of the instrument
894 Professional CVS
￭￭￭￭￭￭￭￭ 13
3 Threaded opening M6 (N
2
)
With preinstalled stopper. Not relevant for
CVS analyses.
4 Threaded opening M6 (WASTE)
For aspirating the measuring solution. Can
be connected to one of the openings 24 -
27 (FEP tubing from 6.1829.070).
5 Threaded opening UNF 10/32 (SMP)
For the automatic sample addition. Must be
connected to the opening 28 (PEEK capillary
6.1831.020). 6 Threaded opening M6 (1)
For adding or aspirating solutions. Can be
connected to one of the openings 24 - 27
(FEP tubing from 6.1829.070).
7 Electrode connector (AE, RE, WE)
With electrode cables, for connecting elec-
trodes. 8 Threaded opening (PURGE)
For tubing connection to opening 19 - gas
inlet. Not relevant for CVS analyses.
9 Drive shaft for rotating disk electrode
(RDE) 10 Threaded opening M6 (N
2
)
With preinstalled stopper. Not relevant for
CVS analyses.
11 Threaded opening M6 (OUT)
With preinstalled tubing connection to
opening 18 - gas outlet. Not relevant for
CVS analyses.
12 Guide roller
Transfers the rotary movement of the motor
to the driving axle of the working electrode.
13 Threaded opening M6 (TAP)
With preinstalled tubing connection to
threaded opening 17 - gas inlet. Not rele-
vant for CVS analyses.
14 - 30: see next figure