beautypg.com

Metrohm 746 VA Trace Analyzer User Manual

Page 26

background image

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)