Metrohm 746 VA Trace Analyzer User Manual
Page 26

2.3 747.0010 VA Stand
746 VA Trace Analyzer / 747 VA Stand
2-9
25
25
Stopper (6.2709.080)
to close the pipetting opening
27
27
Gas wash bottle (6.2405.030)
for inert gas supply
(must be filled halfway with dist. H
2
O,
see section 3.3.3)
37
37
Electrode cable ”WE”
connection for working electrode
(MME or RDE)
38
38
Multi-Mode Electrode (MME)
(6.1246.020)
details, see section 3.4
39
39
FEP tubing (6.1805.180)
for inert gas supply to measuring vessel
(attached)
40
40
Measuring head arm
carrier plate with permanently attached
measuring head, raisable
41
41
Measuring head
measuring vessel upper half made of
PTFE; with openings for electrodes,
stirrer, gas and liquid supply lines
42
42
Dummy stopper (6.1446.040)
43
43
Reference electrode
comprising 6.0728.020 Ag/AgCl Refer-
ence system and 6.1245.010 Electrolyte
vessel (details, see section 3.6)
44
44
Nipple (6.2730.030)
for mounting the 4-way microtip 47
47 or a
dummy stopper
45
45
Drive shaft (6.1246.010)
holder for stirrer tip 62
62
46
46
PTFE tube (6.1819.000)
(attached)
47
47
4-way microtip (6.1824.000)
for delivery of solutions; with 4 lengths
of PTFE tubing with connecting nipples
for 685 Dosimat/700 Dosino
48
48
Electrode cable ”RE”
connection for reference electrode 43
43
49
49
Drive belt (6.1244.020)
connection between drive wheel 52
52 and
drive shaft 45
45
50
50
PTFE tube (4.647.1350)
for inert gas delivery to gas wash bottle
27
27 (attached)
51
51
FEP tubing (6.1805.180)
for inert gas supply to MME 38
38
52
52
Drive wheel of drive motor
53
53
FEP tubing (6.1805.040)
for inert gas delivery to gas wash bottle
27
27 (attached)
54
54
Slotted screw for controlling the
inert gas flow
Note: The factory setting of ca. 20 L/h
should not be changed without good
reason!
55
55
FEP tubing (6.1805.100)
for waste solution lead-off (attached)
56
56
FEP tubing (6.1805.090)
for inert gas lead-off (attached)
57
57
FEP tubing (6.1805.180)
for inert gas supply to tapping mecha-
nism (attached)
58
58
Electrode cable ”AE”
connection for auxiliary electrode 60
60
59
59
FEP tubing (6.1805.180)
for inert gas supply to MME 38
38
60
60
Auxiliary electrode
details, see section 3.7
61
61
Dummy stopper (6.1446.040)
62
62
Dummy stopper (6.1446.040)
63
63
Stirrer tip (6.1204.090)