104
Release:
2017
CyBio
®
Well
vario
Operation
The
achievable
degree
of
precision
is
limited
and
influenced
by:
the
wettability
of
tips,
the
dimensional
stability
of
their
outlet
opening,
the
way
the
system
and
involved
liquids
are
handled.
physical
and
chemical
properties
of
liquid
the
quality
of
microplates
You
are
also
advised
to
note
the
following:
NOTE
Liquid
is
aspirated
or
dispensed
as
a
result
of
underpressure
or
overpressure
created
by
piston
motion.
In
either
case,
the
process
will
not
be
completed
before
pressure
balance
state
has
been
reached.
The
time
required
to
reach
this
state
depends
-
among
other
factors
-
on
the
properties
of
the
liquid
being
handled.
For
this
reason,
adequate
pause
times
should
be
included
with
all
operating
sequences
as
necessary.
NOTE
When
working
with
dry
tips,
pressure
equalization
of
a
different
kind
will
occur
after
filling.
It
takes
a
longer
to
finish,
because
an
air
vapor
pressure
will
build
up
in
the
air
cushion
inside
the
tip
above
liquid
level,
resulting
in
liquid
emerging
from
the
tips.
This
can
be
prevented
by
triggering
a
few
initial
rinse
program
cycles,
until
the
air
inside
the
tip
is
saturated
with
vapor.
Even
after
a
longer
downtime
with
tips
in
filled
condition,
no
liquid
will
emerge
on
completion
of
preventive
rinsing.
NOTE
By
wetting
the
tips
with
liquid,
you
may
influence
the
achievable
level
of
precision
and
accuracy.
As
a
matter
of
importance,
tips
should
therefore
be
submerged
into
the
liquid
volume
just
as
much
as
necessary
for
a
particular
process.
In
addition,
the
depth
of
sub-
mergence
should
always
be
the
same
in
multi-cycle
mode.
This
can
be
achieved
by
maintaining
a
constant
reservoir
filling
level
with
the
help
of
the
sensor-controlled
res-
ervoir
pump.
NOTE
For
precise
work
results,
you
are
advised
to
use
a
non-shedding
slightly
moistened
scrubbing
towel
to
dab
the
tips.
You
may
place
the
towel
onto
a
standard
microplate
(for
example).
Содержание CyBio Well vario OL3381-25-300
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