Thermo Scientific TRACE 1300, Руководство по оборудованию

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9
Adding Modules
Adding a Helium Saver Injector Module
Thermo Scientific TRACE 1300 and TRACE 1310 Hardware Manual 451
Figure 469. Plumbing the Helium Cylinder
Alternatively, a customer supplied gettering trap can be used along with the provided
1/16 in. stainless steel tubing. Set the regulator pressure such that helium purges the
make-up line of the pneumatic network for 15 min at a flow of 20–100 mL/min.
The flow can be measured directly from the detector block at the left most port as shown
in
Figure 468 on page 450 . This will purge the gas line as well as eliminate air from the
gettering material of an in-line heated helium purifier. Do this before applying power to
the purifier. Ensure the hose leading to the flowmeter is clean and dust free before holding
it against the o-ring seat.
6. Carefully insert the Instant Connect Helium Saver Injector Module into position on the
GC top deck after first inserting the ceramic insulator shown in Figure 470 .
Figure 470. Positioning the Instant Connect Helium Saver Injector Module
Also, be sure to remove the column nut from the injector if it has not already been
removed. This prevents damage to the ceramic insulator when the module is inserted.
Note
It may be helpful to insert the left side of the module just prior to the right side
in order to clear the space properly. The module fits snugly into position but should
not require undue force to clear the sheet metal opening.