Metrohm 757 VA Computrace - Manual (Page 72)

6 Appendix
757 VA Computrace – Hardware
68
6.2 Options
Order No. Description
6.0728.010 Ag/AgCl reference system
with ceramic diaphragm
Together with the 6.1245.010 Electrolyte
vessel forms a complete reference
electrode (double-junction construction,
assembly, see section 3.5.2).
The Ag/AgCl reference system is
supplied with an empty holder screwed
on; the holder can be filled with the
desired reference electrolyte.
6.1204.XXX Electrode tip
Together with the 6.1246.000 Drive shaft forms the
stirrer. The following electrode tips are available:
Order No. Disk material Shaft material
6.1204.100 Ultra Trace Graphite PVC
6.1204.110 Glassy Carbon (GC) PEEK
6.1204.120 Pt PEEK
6.1204.130 Ag PEEK
6.1204.140 Au PEEK
6.1204.150 Au PEEK
Disk diameter: 2.0 +0 / –0.05 mm
Concentricity error: ≤ 0.2 mm
6.1241.020 Electrode holder
to take the 6.1247.000 glassy carbon rod
Together with the 6.1247.000 glassy carbon rod
forms the GC auxiliary electrode.
6.1246.000 Drive shaft for rotating disk electrode
incl. 2 O-rings FPM (Viton  )
Together with the 6.1204.XXX electrode tips
forms the rotating disk electrode (RDE).
11
14
65
52.5
∅2.1
∅7
M3
116
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