Metrohm 797 VA Computrace User Manual

Page 13

1.2

Parts and controls

797 VA Computrace / Hardware-Manual 8.797.8001EN

4 Stopper (6.2709.080)

to close the pipetting opening

6 Gas wash bottle (6.2405.030)

for inert gas supply
(must be filled halfway with dist. H

see section 2.2.5)

20 Electrode cable ”WE”

connection for working electrode
(MME or RDE)

21 Multi-Mode Electrode (MME)

(6.1246.020)
details, see section 2.3

22 FEP tubing (6.1805.180)

for inert gas supply to measuring vessel
(attached)

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

25 Dummy stopper (6.1446.040)

26 Reference electrode

comprising 6.0728.020 Ag/AgCl Refer-
ence system and 6.1245.010 Electrolyte
vessel (details, see section2.5)

27 Nipple (6.2730.030)

for mounting the 4-way microtip 30 or a
dummy stopper

28 Stirrer (6.1204.200)

29 PTFE tube (6.1819.000)

(attached)

30 4-way microtip (6.1824.000)

for delivery of solutions; with 4 lengths
of PTFE tubing with connecting nipples
for Dosing devices

31 Electrode cable ”RE”

connection for reference electrode 26

32 Drive belt (6.1244.020)

connection between drive wheel 35 and
stirrer 28

33 PTFE tube (6.1819.000)

for inert gas delivery to gas wash bottle
6 (attached)

34 FEP tubing (6.1805.180)

for inert gas supply to MME 21

35 Drive wheel of drive motor

36 FEP tubing (6.1805.040)

for inert gas delivery to gas wash bottle
6 attached.

37 Slotted screw for controlling the

inert gas flow
Note: The factory setting of ca. 20 L/h
should not be changed without good
reason!

38 FEP tubing (6.1805.020)

for inert gas lead-off (attached)

39 FEP tubing (6.1805.090)

for inert gas lead-off (attached)

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)

for inert gas supply to MME 21

43 Auxiliary electrode

for details see section 2.6

44 Dummy stopper (6.1446.040)

45 Dummy stopper (6.1446.040)