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• Use a dual-stage regulator with high-side capacity of 3000 psig and low-side
capacity of 150 psig.
• See Appendix B for a description of a dual-cylinder carrier gas manifold (P/N
3-5000-050) with these features: carrier gas is fed from two bottles; when one
bottle is nearly empty (100 psig), the other bottle becomes the primary supply;
and each bottle can be disconnected for refilling without interrupting GC
operation.
3. Connect calibration standard gas to the GC.
When installing the calibration standard gas line, ensure that the correct tubing
connection is made.
• Use 1/8-inch stainless steel tubing to connect calibration standard gas unless the
application requires treated tubing.
• Use a dual-stage regulator with low-side capacity of up to 30 psig.
Sample stream inlets (A) and calibration gas inlet (B)Figure 3-9:
4. Connect sample gas stream(s) to the GC.
• Use 1/8-inch stainless steel tubing, as appropriate, to connect calibration
standard gas.
• Unless stated otherwise in the product documentation, ensure that the pressure
of the calibration and sample line is regulated at 20 psig.
5. After all lines have been installed, proceed with leak-checking the carrier and sample
lines. See Section 3.6.
Installation and setup
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