Metrohm 797 VA Computrace User Manual
Page 43
2.4
Rotating disk electrode (RDE)
797 VA Computrace / Hardware-Manual 8.797.8001EN
35
Fig. 12:
Measuring head arm with rotating disk electrode (RDE)
4 Stopper (6.2709.080)
to close the pipetting opening
20 Electrode cable ”WE”
connection for working electrode (RDE)
23 Measuring head arm
carrier plate with permanently attached
measuring head, raisable
24 Measuring head
measuring vessel upper half made of
PTFE; with openings for electrodes,
stirrer, gas and liquid supply lines
32 Drive belt (6.1244.020)
connection between drive wheel 35 und
and drive shaft 99
34 FEP tubing (6.1805.180)
35 Drive wheel of drive motor
39 FEP tubing (6.1805.090)
for inert gas lead-off
40 FEP tubing (6.1805.180)
for inert gas supply to tapping mecha-
nism (attached)
41 Electrode cable ”AE”
connection for auxiliary electrode 43
42 FEP tubing (6.1805.180)
43 Auxiliary electrode
details, see section 2.6
97 Stopper (6.2709.040)
for closing the MME opening and to
accommodate the two lengths of FEP
tubing 34 and 42
98 Electrode tip (6.1204.XXX) for RDE
99 Drive shaft (6.1204.210) for RDE
23
24
4
43
35
32
99
98
43
42
38
39
40
41
20
34
97