AZURA® Detector RID 2.1L / RID 2.1L HighFlow Instructions V6750
14
Product information
6.2
Connecting the capillaries
Component defect
Damage to the flow cell due to excessive tightening. Observe the
torque of the screw connection.
Use 5 Nm for stainless steel fi ttings
Use 0.5 Nm for PEEK fi ttings.
Before connecting capillaries, note the following issues:
The input capillary is connected to the IN port, the output capillary to
the OUT port. If the capillaries are connected incorrectly, damages at
the flow cell and a reduced detector performance may occur.
Choose fittings which keep the dead volume at a low level, and short
capillaries with a small diameter.
The 5 bar pressure rating is only valid under flow-through conditions in
the direction from the inlet to the outlet with a free drain at the outlet.
Only install the waste tubing kit, which is part of the delivery, at the
detector outlet.
The tubing in the kit has an ID of 0.9 mm. The tubing in the kit has an
ID of 0.9 mm. Do not install a backpressure capillary or capillaries with
a smaller inner diameter and make sure that the solvent can freely flow
to the waste without any backpressure. Otherwise, damage to the
detector is possible.
If a certain back pressure at the outlet is necessary, please install a
backpressure regulator, which does not build up more than 1.2 bar.
In the case of adding an additional detector to the system, it must be
connected upstream of the refractive index detector in order to avoid
damage to the RID 2.1L. To optimize the detector performance the
waste container should be positioned above the level of the RID 2.1L.
6.2.1 AZURA® Detector RID 2.1L
At the front side, both connections are designed for 1/16'' capillaries and
standardized fittings.
Following procedure can be appplied for both the IN port and the OUT
port.
Open-end wrench
Procedure
Figure
1.
Push the capillary
1
through
the fitting
2
.
2.
Attach the seal ring
3
.
Important information for
connecting the capillaries
Tools
3
2
1
