Labconco Protector XStream Laboratory Fume Hoods 9840803 - Manual (Page 24)

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Chapter 4: High Performance Features and Safety
the air foil to help control fluctuations in face velocity, which
occur as the sash is closed.
1. Unique sash provides maximum visibility of 32.15" high
while conserving energy by limiting sash travel to 28".
Vertical-rising sash may be raised from a closed to 28"
operating height. Exhaust volume, and blower sizing is
based on the 18" height to maximize energy usage. Sash
stops are included to limit sash height to 18" and reduce
energy usage.
2. Containment-Enhancing Sash Handle includes a
perforated air passage directly atop the handle to bleed air
into the hood chamber and direct chemical fume
concentrations away from the user breathing zone. The
large radiused handle sweeps airflow into the hood with
minimal turbulence.
3. Large usable interior work depth and interior height of
48" provides ample working space and directs
contaminants away from the operator.
4. Rear Downflow Dual Baffle System directs horizontal
streams of airflow to the rear slots of the primary baffle in a
single pass. The secondary baffle, located between the
primary baffle and the back wall, counteracts the upward
air streams that create roll in traditional hoods.
5. Exterior access cover plates are removable for easy access
to plumbing valves when servicing through the sides is not
possible.
6. Lift-Away™ front panel provides easy access to electrical
wiring, sash weights, and lighting fixtures.
7. Energy efficient fluorescent lighting is located behind a
laminated safety glass shield mounted to the top of the
hood. The factory-wired instant start T8 lighting is
serviceable from outside the hood cavity.
8. Low mounted, factory-wired light and blower switches
are ADA compliant.
9. Aerodynamic Clean-Sweep™ Air Foil has a unique curve
that allows air to sweep the work surface for maximum
containment. The Clean-Sweep™ openings create a
constant protective barrier from contaminants. In addition,
should the operator inadvertently block the airflow entering