GE AKTApure, User Manual, Page: 140 / 522

4.2.8 Configuration of UV monitors
Using two UV monitors
The UV monitor U9-L module can be used in two configurations, UV monitor U9-L and UV monitor U9-
L, 2nd. The configuration is defined by the module's Node ID.
It is possible to use two UV monitors in ÄKTA pure, in the following combinations:
• UV monitor U9-M together with UV monitor U9-L, 2nd
• UV monitor U9-L together with UV monitor U9-L, 2nd
UV monitor U9-L, 2nd can be located anywhere in the flow path and is therefore shown in the Process
Picture as a component without a fixed place. This means that it is possible to place U9-L, 2nd before
the other UV monitor in the flow path.
If U9-L, 2nd is placed on the high pressure side of the column, pressure limits have to be con-
sidered. See UV monitor options, on page 416 for pressure limits.
Note:
System properties
Follow the instruction below to update the system properties.
Action Step
Open the system properties Edit dialog. 1
Select Monitors and sensors from the Component types list. 2
Select components and properties according to the following table: 3
Property Component selection Monitor
U9-L (fixed) UV monitor UV monitor U9-L
V9-M (variable) UV monitor UV monitor U9-M
N/A UV monitor 2nd (U9-L) UV monitor U9-L, 2nd
System settings
If the monitor is not placed in the recommended position using the standard tubing kit, the delay volume
must be set. See Check/Set delay volume, on page 146.
For UV monitor U9-L the flow cell length must be set. This is done as a calibration. See Perform the
calibration, on page 313.
140 ÄKTA pure User Manual 29119969 AB
4 System configuration
4.2 Configure modules
4.2.8 Configuration of UV monitors