Agilent 1260 Infinity RID User Manual 61
Installing the Refractive Index Detector
3
Flow Connections
NOTE
The back pressure rating of the refractive index flow
cell is 5 bar. Therefore the RI detector must be the last
module in the flow path. If an additional detector is to
be installed it must be connected upstream of the
refractive index detector in order to avoid damage to
the RID flow cell due to overpressure.
5
Remove the blanking plug and connect the other tube
from the interface tubing kit to the recycle port.
NOTE
Remove all blanking plugs from all outlet ports (waste
& recycle) of the detector to avoid potential damage to
the flow cell, if the recycle valve is accidentally
switched to one of these ports, while flow is applied to
the detector.
NOTE
To optimize detector performance the waste container
and solvent bottle should be positioned above the level
of the refractive index detector and solvent pump (e.g.
in the solvent compartment). This will maintain a slight
pressure in the sample cell. Route the tubing behind
the front covers of the modules in the stack.
6
Direct the waste tube into a suitable waste container.
Make sure that there is no restriction of this tube.
7 If solvent recycling is to be used direct the recycle tube
into the solvent bottle. Make sure that there is no
restriction of this tube.
8 Establish flow and observe if leaks occur.
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