Metrohm 894 Professional CVS - Manual (Page 26)

2.5 Tubing connection port (measuring head arm)
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894 Professional CVS
3 Threaded opening M6 (2)
For connecting tubing for aspirating or add-
ing solutions. 4 Threaded opening UNF 10/32 (SMP)
For connecting a PEEK capillary for the auto-
mated sample addition.
5 Threaded opening M6 (1)
For connecting tubing for aspirating or add-
ing solutions. 6 Threaded opening M6 (WASTE)
For connecting tubing for aspirating the
measuring solution.
7 Threaded opening M6 (OUT)
Not relevant for CVS analyses.