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RKI “T” Fitting Adapter is a Bypass Tee Probe with GX-7 Quick Disconnect. This adaptor is recommended for purge testing with the GX-2012 5-Gas Monitor. Purge fitting is used to detect gas levels in a pressurized gas stream from a pipeline or vessel being purged. The sample port of the purge fitting is inserted into the flowing gas, and the vent port will allow any excess gas to release to the atmosphere to avoid damage to pump or sensors.
GX-2012 Manual (page 12):
Purge/Test Procedure with GX-2012: