m-
PROPER
CABINET
USE
A biological safety cabinet
is
a valuable
supplement
to
good
sterile technique, but is
not
a
replacement
for
it.
If
the
cabinet is
not
understood
and
operated
correctly, it will
not
provide
an
adequate
protective barrier.
All
activities
that
are
to
be
performed
in
your
cabinet
should
first
be
approved
by a
competent
professional,
such
as
an
industrial
hygienist
or
safety
officer,
to
make
sure
that
the
cabinet is
appropriate
for
the
work
it wiJl
be
required
to do.
This
person
should
monitor
the cabinet
and
its
operating
personnel
at
regular
intervals to
see
that
it is
being
used
correctly.
ln
order
to keep
the
interior
workspace
clean
and
free of particulates, all Baker
laminar
flow
cabinets
are
designed
for
continuous
operation.
If
the
blower
is
turned
off, the unit becomes
contaminated
with room air. Therefore it is
recommended
that the blower be left on.
2 · Slower On/Off
(blower
on
indicator·
yellow)
Fig. 5
Operator
Controls
1 -
Alarm
ReseV
Sash
Level
Alarm
Air
pressure
monitor
'\.
bar
graph
(mag gauge} ,
'\.
11
Operator
Controls
The
operator
controls and
indicators
are
arranged
on
the
front
panel
of
the
unit.
See Fig.
5.
A
number
of switches are
arranged
in a
single
membrane
switch assembly.
1
-Alarm
Reset
Switch/
Sash Level
Alarm
-
For
normal
operation, the
viewscreen
must
be
placed to allow
an
opening
of exactly
8."
This
setting is
important
to allow the
correct
airflow
into
the
work
area. The
window
may
also
be
closed completely.
If
the
window
is left
in
any
other
position, an
alarm
will
sound.
An
indicator
above
the
alarm
reset switch will flash.
To
mute
the audible alarm,
press
the
alarm
reset
button. The indicator will
continue
to
flash. After
five
minutes,
the
alarm
will
sound
again
to
remind
you to
lower
the
window.
You
may
press
the
alarm
reset switch again to
mute
the
alarm
for
another
five minutes.
The
alarm
will
sound
again
if
the
view
screen is
not
in the p1·oper
8"
position.
3 -Outlets On/Off
(oUllets
on
indicator- yellow)
4-
Light On/Off
(light
on
indicator- yellow)
S-
UV Light On/Ott
(UV
light
on
indicator
-yellow)
~
Light
canopy
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