The Model 751 is a fully self-contained portable source of clean, dry air for use with dilution calibrators. It removes particulate and potential interferents from ambient air to create zero air suitable for calibration. It can also be used to provide purge air for permeation tube ovens.
Contained in a high-density plastic travel case, the Model 751 includes a dew point sensor, an internal oil-free piston pump, and scrubbers to remove SO2, NO, NO2, O3 and H2S and NH3. An optional high performance scrubber is available to remove CO. Warm-up time required for use is just 30 minutes.
The silica gel dryer removes water and produces output with a dew point of -20ºC up to a 5 SLPM flow rate. The dew point LED indicator lets you know when desiccant should be replaced. Components are engineered with a quick dismount from the case to allow rapid periodic maintenance.