Metrohm 757 VA Computrace - Manual (Page 24)

3 Installation
757 VA Computrace – Hardware
20
N
2
V
3
V
2
V
4
V
1
4
33
50
72 73
Fig. 7: Scheme showing the inert gas connections at the 757 VA Computrace Stand
4 Gas wash bottle (6.2405.030)
for inert gas supply (must be filled only halfway with dist. H
2
O or
supporting electrolyte, see also Fig. 3)
33 Slotted screw for controlling the inert gas flow for deaeration
(see also Fig. 3)
Note: The factory setting of ca. 20 L/h should not be changed
without good reason!
50 Slotted screw for controlling the tapping power in the DME
case (see also Fig. 4)
Note: The factory setting should not be changed without good
reason!
72 Connection for inert gas supply of the MME
for raising and lowering the sealing needle in the MME (see also
section 3.3.1 and Fig. 8)
73 Connection for inert gas supply of the MME
for pressurizing the mercury (see also section 3.3.1 and Fig. 8)
V
1
…V
4
Valves