Metrohm 757 VA Computrace User Manual
Page 21

3.2 Installation of the 757 VA Computrace Stand
757 VA Computrace – Hardware
17
64
59
58
57
62
61
51
52
53
54
55
65
60
56
63
20
19
66 67
Fig. 6: Measuring head arm
19 Measuring head arm
20 Measuring head
51 Opening
for auxiliary electrode 39 (6.0343.000 Pt
auxiliary electr. or optional GC electr.
comprising 6.1241.020 Electrode holder
and 6.1247.000 GC tip)
52 Threaded opening
for dummy stopper 41 (6.1446.040)
53 Threaded opening
for dummy stopper 40 (6.1446.040)
54 Pipetting opening
for the manual addition of solutions,
closed with stopper 2 (6.2709.080).
55 Opening
in operation with MME:
for multi-mode electrode 17
(6.1246.020)
in operation with RDE:
for 6.2709.040 Stopper (option)
56 Threaded opening
for FEP tubing 18 (6.1805.180, already
permanently attached); inert gas supply
to measuring vessel 6
57 Threaded opening
for dummy stopper 21 (6.1446.040)
58 Opening
for reference electrode 22 (6.0728.020
Ag/AgCl reference system and
6.1245.010 Electrolyte vessel)
59 Threaded opening
for nipple 23 (6.2730.030) with dummy
stopper or 4-way microtip 26
(6.1824.000)
60 Opening
in operation with MME:
for stirrer, comprising drive shaft 24
(6.1246.010) and stirrer tip 42
(6.1204.090)
in operation with RDE:
for rotating disk electrode (option),
comprising drive shaft 100 (6.1246.000)
and electrode tip 99 (6.1204.XXX)
61 Threaded opening
for FEP tubing 36 (6.1805.180, already
permanently attached); inert gas supply
for tapping mechanism
62 Threaded opening
for FEP tubing 35 (6.1805.090, already
perm. attached); inert gas lead-off
63 Threaded opening
for FEP tubing 18 (6.1805.180, already
permanently attached); inert gas supply
from gas wash bottle 4 to measuring
vessel 6
64 Threaded opening
for FEP tubing 32 (6.1805.040, already
permanently attached); inert gas supply
to gas wash bottle 4
65 Opening
for feedthrough of tubing connections of
4-way microtip 26 (6.1824.000)