Metrohm 757 VA Computrace - Manual (Page 15)

2 Parts and controls
757 VA Computrace – Hardware
11
2 Stopper (6.2709.080)
to close the pipetting opening
4 Gas wash bottle (6.2405.030)
for inert gas supply
(must be filled halfway with dist. H
2
O,
see section 3.2.5)
16 Electrode cable ”WE”
connection for working electrode
(MME or RDE)
17 Multi-mode electrode (MME)
(6.1246.020)
details, see section 3.3
18 FEP tubing (6.1805.180)
for inert gas supply to measuring vessel
(attached)
19 Measuring head arm
carrier plate with permanently attached
measuring head, raisable
20 Measuring head
measuring vessel upper half made of
PTFE; with openings for electrodes,
stirrer, gas and liquid supply lines
21 Dummy stopper (6.1446.040)
22 Reference electrode
comprising 6.0728.020 Ag/AgCl Refer-
ence system and 6.1245.010 Electrolyte
vessel (details, see section 3.5)
23 Nipple (6.2730.030)
for mounting the 4-way microtip 26 or a
dummy stopper
24 Drive shaft (6.1246.010)
holder for stirrer tip 42
25 PTFE tube (6.1819.000)
(attached)
26 4-way microtip (6.1824.000)
for delivery of solutions; with 4 lengths
of PTFE tubing with connecting nipples
for 765 Dosimat
27 Electrode cable ”RE”
connection for reference electrode 22
28 Drive belt (6.1244.020)
connection between drive wheel 31 and
drive shaft 24
29 PTFE tube (4.647.1350)
for inert gas delivery to gas wash bottle
4 (attached)
30 FEP tubing (6.1805.180)
for inert gas supply to MME 17
31 Drive wheel of drive motor
32 FEP tubing (6.1805.040)
for inert gas delivery to gas wash bottle
4 (attached)
33 Slotted screw for controlling the
inert gas flow
Note: The factory setting of ca. 20 L/h
should not be changed without good
reason!
34 FEP tubing (6.1805.100)
for waste solution lead-off (attached)
35 FEP tubing (6.1805.090)
for inert gas lead-off (attached)
36 FEP tubing (6.1805.180)
for inert gas supply to tapping mecha-
nism (attached)
37 Electrode cable ”AE”
connection for auxiliary electrode 39
38 FEP tubing (6.1805.180)
for inert gas supply to MME 17
39 Auxiliary electrode
details, see section 3.6
40 Dummy stopper (6.1446.040)
41 Dummy stopper (6.1446.040)