RKI Instruments SDM-2009 PC Controlled Configuration - Manual (Page 19)

Hardware Setup • 14
6. Use one of the provided 10 foot lengths of tubing and connect it to the T-fitting
on the last SDM-2009. The maximum recommended exhaust tube length is 10
feet.
7. For the remaining SDM-2009s, cut 6-7” pieces of 5/16 inch tubing and connect
the remaining T-fittings.
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Figure 12: Exhaust Tubing Connections