RKI Instruments SDM-2012 Standalone Configuration - Manual (Page 12)

7 • Air Filter and Sample Tubing
A check valve is included with the SDM-2012 but is not needed for the Standalone
configuration. It is used for the PC Controlled configuration.
Three T-fittings are included with the SDM-2012. The larger fitting is for the exhaust
tubing. The smaller fittings are for GAS 1 and GAS 2 tubing. None of the T-fittings are
needed for the Standalone configuration. They are used in the PC Controlled
configuration.
Figure 5: Check Valve
For Exhaust
Tubing
For GAS
Tubing
Figure 6: T-Fittings