Metrohm 916 Ti-Touch - Manual (Page 77)

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
8 Titrants
916 Ti-Touch
￭￭￭￭￭￭￭￭ 61
Input range 0.0 - 9.9 mm
Default value 2.0 mm
5
4
3
2
1
Figure 17 Dosing unit – port assignment
1 VENT
This port is set up for the deaeration of the
reagent bottle. An adsorber tube (filled with
desiccant) is usually mounted here. 2 Port 1
The default definition of this port is dosing
port 1.
3 Port 2
The default definition of this port is the fill-
ing port. A riser tube is usually mounted to
it. 4 Port 4
Air is suctioned through this port during the
Emptying function.
5 Port 3
The default definition of this port is dosing
port 2.
8.4.3 Shift direction of the valve disk
Titrant: Edit ▶ Dosing unit ▶ Valve disk
In this dialog, you can specify the shift direction of the valve disc.
Direction
Shift direction of the valve disc.
Selection descending | ascending | automatic | not over
Default value automatic
descending
The ports are moved to in descending order.