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Table of contents
757 VA Computrace – Hardware
II
3.9
Connection of the 813 Compact Autosampler
............................
43
3.9.1 Electrical
connection ............................................................ 43
3.9.2 Tubing
connections.............................................................. 46
3.9.3 Software settings.................................................................. 48
3.9.4 Operation of the 813 Compact Autosampler ....................... 50
4
Safety
......................................................................................................
51
4.1
Electrical safety
................................................................................
51
4.2
Safety considerations concerning mercury
................................
52
4.2.1 Properties
of mercury ........................................................... 52
4.2.2 Toxicity of mercury and its compounds ............................... 53
4.2.3 Handling
of mercury............................................................. 53
4.2.4 References
dealing with mercury ......................................... 55
5
Technical data
...............................................................................
57
6
Appendix
..............................................................................................
61
6.1
Scope of delivery
.............................................................................
61
6.1.1 2.757.0110
VA
Computrace ................................................. 61
6.1.2 2.757.0120
VA
Computrace ................................................. 66
6.2
Options
..............................................................................................
68
6.3
Warranty
............................................................................................
71
6.4
EU Declaration of conformity
.........................................................
72
6.5
Certificate of conformity and system validation
.........................
73
6.6
Index
..................................................................................................
74
List of figures
Fig. 1:
Front of the 757 VA Computrace Stand .................................................. 8
Fig. 2:
Rear of the 757 VA Computrace Stand................................................... 9
Fig. 3:
Right side view of the 757 VA Computrace Stand ................................ 10
Fig. 4:
Left side view of the 757 VA Computrace Stand................................... 10
Fig. 5:
Connection to PC .................................................................................. 15
Fig. 6: Measuring
head arm ............................................................................. 17
Fig. 7:
Scheme showing the inert gas connections ......................................... 20
Fig. 8: Multi-mode
electrode ............................................................................ 22
Fig. 9: Adding
the
mercury............................................................................... 23
Fig. 10: Setting up the filling station ................................................................... 27
Fig. 11: Filling
the
capillary................................................................................. 27
Fig. 12: Measuring head arm with rotating disk electrode (RDE) ...................... 35
Fig. 13: Construction of the reference electrode................................................ 36
Fig. 14: Construction of the auxiliary electrode.................................................. 39
Fig. 15: Electrical connection of the 813 Compact Autosampler....................... 44
Fig. 16: Tubing connections for operation of the 813 Compact Autosampler... 44
Fig. 17: Installation of accessories for rinsing and siphoning off....................... 45
Fig. 18: Adjusting the pipetting needle .............................................................. 46