OPEN
Correction
OPEN
correction
cancels
the
residual
inductance
eects
for
resistance
measurements
.
The
OPEN
procedure
is
as
follows:
W
arning
Do
NOT
touch
the
electrode
and
UNKNO
WN
connector
while
the
High
V
oltage
indicator
is
lit
which
shows
the
4339B 's
output
is
a
high
voltage
of
up
to
1000
Vdc
maximum.
Y
ou
must
operate
after
turning
o
the
voltage
source
output
and
you
have
conrmed
the
high
voltage
indicator
is
turned
o.
OPEN
Correction
Procedure
1.
Leave
the
test
clips
(or
probes)
open
and
separated
from
each
other
.
2.
Set
and
apply
source
voltage
for
your
measurement
requirement
at
the
4339B .
3.
W
ait
until
the
measurement
value
has
stabilized.
4.
Press
of
the
4339B
to
perform
the
OPEN
correction.
Note
When
the
OPEN
correction
is
performed,
the
electrodes
must
be
separated
enough
to
prevent
leakage
current
from
occurring
which
will
lead
to
OPEN
correction
instability
.
Note
T
o
realize
the
best
performance
of
the
16117B
and
4339B,
the
following
items
must
be
carefully
observed
when
performing
the
OPEN
correction:
Do
NOT
allow
vibration
to
reach
the
16117B
when
performing
an
OPEN
correction.
Vibration
will
result
in
OPEN
correction
instability
.
P
erform
the
OPEN
correction
in
an
environment
free
of
external
electrical
noise
.
If
these
items
are
not
satised,
the
OPEN
correction
will
not
completely
cancel
the
residual
eects
.
Operation
Step-by-step
instructions
on
how
to
make
a
measurement
with
the
16117B
are
as
follows:
W
arning
Do
NOT
touch
the
electrode
and
UNKNO
WN
connector
while
the
High
V
oltage
indicator
is
lit
which
shows
the
4339B 's
output
is
a
high
voltage
of
up
to
1000
Vdc
maximum.
Y
ou
must
operate
after
turning
o
the
voltage
source
output
and
you
have
conrmed
the
high
voltage
indicator
is
turned
o.
1.
Connect
the
16117B
to
the
UNKNOWN
terminals
of
the
4339B .
Refer
to
\Connecting
the
A
dapter
for
Use
".
2.
P
erform
an
OPEN
correction
as
described
in
\OPEN
Correction
".
3.
Connect
the
test
clips
(or
probes)
to
the
DUT
.
4.
F
ollow
the
measurement
instructions
described
in
the
4339B
Operating
Manual
to
do
the
measurement.
3-4
Operation
