Rki-instruments SDM-2009 Manuel d'utilisateur télécharger pdf (Page 11)

Air Filter and Sample Tubing • 7

WARNING: Do not use an exhaust tube that is longer than 10 feet. The increased flow

restriction caused by a longer tube may affect gas response and cause

inaccurate calibration and bump test results.

A check valve is included with the SDM-2009 but is not needed for the Standalone

configuration. It is used for the PC Controlled configuration.

Two T-fittings are included with the SDM-2009. The larger fitting is for the exhaust

tubing. The smaller fitting is for the GAS tubing. Neither T-fitting is 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

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Rki-instruments SDM-2009 Manuel d'utilisateur Page 11