9
Adding Modules
Adding a Helium Saver Injector Module
Thermo Scientific
TRACE 1300 and TRACE 1310 Hardware Manual
449
To install the Instant Connect Helium Saver Injector Module
1. Cool the GC and MS heated zones and then shut off all carrier and detector gases on the
local GC user interface as well as at the source cylinder.
2. Remove the detector and injector “dummy modules” from the locations where the
Helium Saver S/SL module will be installed by loosening the two captive T20 screws on
each module. See
.
Figure 466.
Removing the Dummy Modules
3. Remove the blanking washers from the detector and injector pneumatic network.
See
Note
For optimal results, use a high capacity oxygen trap on the nitrogen supply, and a
heated zirconium alloy gettering trap on the helium supply. These traps can be purchased
together as Thermo Scientific part number 1R120577-0001.
Alternatively, you may opt to provide own helium purification. Due to the low flow rate
of helium employed, conventional chemical traps (non-heated traps) may actually
contaminate the gas supply. Heated zirconium-based traps specifically designed for helium
are ideal. These traps can also remove nitrogen, which is difficult to eliminate from
conventional traps.
Содержание TRACE 1300
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