The Protector XStream I-S Laboratory Hood takes containment, safety and energy savings to the extreme. With integrated sash position blower controls, this hood was designed for use with Intelli-Sense Multi-Speed Blowers. As the sash is raised or lowered, sensors alert the blower to change speeds to maintain a safe face velocity. That face velocity is displayed on the factory-installed Guardian™ Digital Airflow Monitor for users’ peace of mind.
This general chemical, high performance fume hood was independently tested and challenged well beyond the SEFA-1 standards. With a face velocity of 40 fpm and sash fully open, the Protector XStream I-S was subjected to 50 fpm cross drafts, NIH protocol, and tracer gas measurements in the chest of the mannequin. In all scenarios, the Protector XStream I-S allowed 0.00 ppm average level of tracer gas outside the fume hood. Although your safety officer will determine the actual face velocity setting for your laboratory, the ability of this hood to contain under these adverse conditions sets a new standard of safety.
Safety is foremost, but energy savings is equally impressive. Although face velocity is a factor, it’s the volumetric rate (CFM) that determines the energy consumption. Operating a 6' Protector XStream I-S at 60 fpm face velocity, with the sash in its fully open position, requires only 690 CFM. Regardless of your desired operating face velocity, the Protector XStream I-S yields the lowest required CFM of any hood.
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This animation shows how the Protector I-S works with a laboratory air supply’s pressure differential switch to save energy. When the sash is lowered, blower speed is automatically reduced to conserve the room's tempered air.