Metrohm 757 VA Computrace - Manual (Page 4)

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