Metrohm 757 VA Computrace - Manual (Page 39)

3.4 Rotating disk electrode (RDE)
757 VA Computrace – Hardware
35
34 35 36 37 16 30 98
28 31 38 100 99
2
39
19
20
39
Fig. 12: Measuring head arm with rotating disk electrode (RDE)
2 Stopper (6.2709.080)
to close the pipetting opening
36 FEP tubing (6.1805.180)
for inert gas supply to tapping mecha-
nism (attached)
16 Electrode cable ”WE”
connection for working electr. (RDE)
37 Electrode cable ”AE”
connection for auxiliary electrode 39
19 Measuring head arm
carrier plate with permanently at-
tached measuring head, raisable
38 FEP tubing (6.1805.180)
20 Measuring head
measuring vessel upper half made of
PTFE; with openings for electrodes,
stirrer, gas and liquid supply lines
39 Auxiliary electrode
details, see section 3.6
28 Drive belt (6.1244.020)
connection between drive wheel 31
and drive shaft 100
98 Stopper (6.2709.040)
for closing the MME opening and to
accommodate the two lengths of FEP
tubing 30 and 38
30 FEP tubing (6.1805.180) 99 Electrode tip (6.1204.XXX) for RDE
31 Drive wheel of drive motor 100 Drive shaft (6.1246.000) for RDE
35 FEP tubing (6.1805.090)
for inert gas lead-off (attached)