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Installation
Installing the LightPipe Flow Cell
Thermo Scientific
Surveyor PDA Plus Detector Hardware Manual
17
4. Remove the protective end caps from the ends of the LightPipe flow cell (see
5. Connect the inlet port of the LightPipe flow cell:
a. Use the PEEK fittings included with the LightPipe flow cell kit to connect one end of
the 0.005-in. ID, red insulated inlet tubing to the flow cell inlet port. Slide the
protective insulating sleeve of the tubing as close as possible to the inlet port of the
LightPipe flow cell.
b. Connect the other end of the tubing to the outlet of the LC column.
6. Connect the outlet port of the LightPipe flow cell:
• If you are not connecting to an MS detector, use a PEEK fitting to connect the
0.010-in. ID, blue outlet tubing to the LightPipe flow cell outlet. Place the other end
of the outlet tubing into the waste reservoir. When you are using an optional
backpressure regulator (see
), connect the outlet line to the
low-pressure union and waste tubing.
• If you are connecting the flow cell outlet to an MS detector, use the PEEK fittings to
connect one end of the 0.005-in. ID, PEEK, red tubing, which is included in the MS
detector accessory kit, to the outlet port of the flow cell and to connect the other end
of the tubing to the inlet port of the MS detector.
7. Position the slot located on the top of the LightPipe flow cell under the retaining bolt in
the detector, and then slide the LightPipe into place.
The location of the outlet fitting depends on the size of the flow cell:
• Place the 10-mm LightPipe flow cell so that the inlet fitting is on the bottom,
left-side, and the outlet fitting is on the front-side (see
).
• Place the 50-mm LightPipe flow cell so that the inlet fitting is on the bottom,
left-side and the outlet fitting on the top, right-side.
Note
The insulating sleeve of the inlet tubing minimizes temperature
fluctuations, which cause baseline drift.
Note
If you have several detectors (fluorescence, refractive index, electrochemical,
and so on) hooked up in series, place your Surveyor PDA Plus Detector closest to the
column outlet because its flow cell can withstand the greatest backpressure. A
backpressure regulator is often recommended to prevent bubble formation in the
detector flow cell.