5.5 Pressure alarms
Introduction
The ÄKTA go instrument is equipped with a pressure monitor directly after the pump,
which measures the highest pressure in the instrument. The advanced column valve,
V9-C, adds two extra pressure sensors, one directly before the column and one directly
after the column. These pressure monitors enable the measurement of pre-column
pressure, which is the pressure on the column hardware, and delta-column pressure,
which is the pressure on the packed bed.
Methods automatically include a pressure alarm based on the specifications of the
chosen column. When performing a manual run, you must set the pressure limits yourself.
There is a default pressure limit of 2 MPa, but this limit does not protect all
columns.
Note:
Set a pressure alarm in a method
In a method, the pressure alarm is set in Method Settings. See Section 6.1 Create a
method, on page 80.
Set a pressure alarm in a manual
run
In a manual run, the pressure alarm is set using the Process Picture pane or using the
Manual Instructions box. In the Process Picture, click Set limits in the Pressure pane
and enter a suitable pressure limit, or choose a column to get a suitable pressure limit.
Click Set.
ÄKTA go Operating Instructions 29360951 AC 77
5 Prepare the system for a run
5.5 Pressure alarms
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