Ductless Fume Hoods Include Automatic Safety Controller

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AirClean Systems’ Patriot ductless fume hoods include the AirSafe NXT automatic safety controller for added operator safety. This color touchscreen controller automatically increases or decreases blower speed to maintain the user’s preset face velocity, ensuring airflow is within standard operating parameters. The current face velocity is displayed at all times. AirSafe NXT also monitors the bonded carbon filtration bed, alerting the user audibly and visually should filter saturation occur.

Patriot features an ‘application confirmation’ sequence that is required with every use of the hood. AirSafe NXT displays the approved chemical class for the hood, and waits for a confirmation from the user before allowing the hood to be used. In addition to safety features, AirSafe NXT also provides a multi-language and multi-unit capability. Users can switch the controller language between English, Spanish, French and German. Airflow can be displayed in both linear feet per minute (LFM) and meters per second (m/s).

An on-board energy meter, accessed via AirSafe TOUCH, displays the real-time and life-time energy use of the hood. AirClean Systems’ bonded carbon filtration is standard on all Patriot ductless fume hoods. For added application breadth and capacity, Silconazyne filtration also is available for Patriot.

Patriot’s rolled-entry design combined with AirZone baffling provides laminar flow within the cabinet, preventing eddy currents and keeping fumes or particulate from escaping the hood. Seamless, thermally welded polypropylene construction means the Patriot will never rust, providing years of service life. All electronics and blowers are post-filter, so they are never exposed to chemicals used in the hood.

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