Metrohm 746 VA Trace Analyzer User Manual
Page 36

3.3 Installation of 747 VA Stand
746 VA Trace Analyzer / 747 VA Stand
3-9
40
40
Measuring head arm
41
41
Measuring head
72
72
Opening
for auxiliary electrode 60
60 (6.0343.000 Pt
auxiliary electr. or optional GC electr.
comprising 6.1241.020 Electrode holder
and 6.1247.000 GC tip)
73
73
Threaded opening
without automatic rinsing:
for dummy stopper 62
62 (6.1446.040)
with automatic rinsing:
for FEP tubing 89
89 (6.1805.180)
74
74
Threaded opening
without automatic rinsing:
for dummy stopper 61
61 (6.1446.040)
with automatic rinsing:
for FEP tubing 90
90 (6.1805.100)
75
75
Pipetting opening
for the manual addition of solutions,
closed with stopper 25
25 (6.2709.080)
76
76
Opening
in operation with MME:
for multi-mode electrode 38
38
(6.1246.020)
in operation with RDE:
for 6.2709.040 Stopper (option)
77
77
Threaded opening
for FEP tubing 39
39 (6.1805.180, already
permanently attached); inert gas supply
to meas. vessel 28
28
78
78
Threaded opening
for dummy stopper 42
42 (6.1446.040)
79
79
Opening
for reference electrode 43
43 (6.0728.020
Ag/AgCl reference system and
6.1245.010 Electrolyte vessel)
80
80
Threaded opening
for nipple 44
44 (6.2730.030) with dummy
stopper or 4-way microtip 47
47
(6.1824.000)
81
81
Opening
in operation with MME:
for stirrer, comprising drive shaft 45
45
(6.1246.010) and stirrer tip 63
63
(6.1204.090)
in operation with RDE:
for rotating disk electrode (option),
comprising drive shaft 121
121 (6.1246.000)
and electrode tip 120
120 (6.1204.XXX)
82
82
Threaded opening
for FEP tubing 57
57 (6.1805.180, already
permanently attached); inert gas supply
for tapping mechanism
83
83
Threaded opening
for FEP tubing 56
56 (6.1805.090, already
perm. attached); inert gas lead-off
84
84
Threaded opening
for FEP tubing 39
39 (6.1805.180, already
permanently attached); inert gas supply
from gas wash bottle to measuring
vessel 28
28
85
85
Threaded opening
for FEP tubing 53
53 (6.1805.040, already
permanently attached); inert gas supply
to gas wash bottle 27
27
86
86
Opening
for feedthrough of tubing connections of
4-way microtip 47
47 (6.1824.000)
87
87
Threaded opening
for FEP tubing 89
89 (6.1805.180); waste
solution lead-off
88
88
Threaded opening
for FEP tubing 55
55 (6.1805.090, already
permanently attached); waste solution
supply from gas wash bottle to waste