Specications
4339B
Measurement
A
ccuracy
The
following
conditions
must
be
met
for
measurement
accuracy
to
apply:
1.
W
arm
up
time:
30 min
2.
Ambient
temperature:
23
6
5
C
3.
Oset-error
canceling
is
ON.
4.
OPEN
correction
has
been
performed.
5.
Self
calibration
has
been
performed.
T
able
8-1.
Measurement
A
ccuracy
Range Measurement
Time
Mode
Resistance
Measurement
1
,
2
,
3
6
(%
of
Readings)
Current
Measurement
2
,
3
,
4
6
(%
of
Readings)
100
pA
Short | |
Medium 4
:
4
+
(
100V
o+100
2
10
0
12
Rm
Vs
)
[4
:
4
+
(
100V
o+110
2
10
0
12
Rm
Vs
)]
5
2
:
57
+
(
100
2
10
0
12
Im
)
[2
:
57
+
(
110
2
10
0
12
Im
)]
5
Long
6
4
:
4
+
(
100V
o+6
2
10
0
12
Rm
Vs
)
7
[4
:
4
+(
100V
o+5
2
10
0
11
Rm
Vs
)]
7
,
8
[4
:
4
+
(
100V
o+8
2
10
0
12
Rm
Vs
)]
5
,
7
2
:
57
+
(
6
2
10
0
12
Im
)
7
[2
:
57
+(
5
2
10
0
11
Im
)]
7
,
8
[2
:
57
+
(
8
2
10
0
12
Im
)]
5
,
7
1
nA
Short 4
:
4
+
(
100V
o+100
2
10
0
11
Rm
Vs
) 1
:
12
+
(
100
2
10
0
11
Im
)
Medium 4
:
4
+
(
100V
o+20
2
10
0
11
Rm
Vs
) 1
+
(
20
2
10
0
11
Im
)
Long 4
:
4
+
(
100V
o+3
2
10
0
11
Rm
Vs
)
7
[4
:
4
+
(
100V
o+5
2
10
0
11
Rm
Vs
)]
7
,
8
0
:
91
+
(
3
2
10
0
11
Im
)
7
[0
:
91
+
(
5
2
10
0
11
Im
)]
7
,
8
1
Rm:
Measured
resistance
value
[].
Vs:
V
oltage
setting
[V].
V
o:
0.1
[V]
(Vs
200
V)
or
0.5
[V]
(Vs
>
200
V)
2
When
the
temperature
(T)
range
is 20
6
5
C.
Multiply
both
the
rst
term
and
the
second
term
(the value
in parenthesis)
by
the
following
error
factors
when
the
measurement
time
mode
is
set
to
SHORT
or
MEDIUM,
or
multiply
only
the
rst
term
by
one
of
the
following
error
factors when
the measurement
time
mode
is
set
to
LONG,
8
T
<
18
C,
or
28
<
T
38
C
:
2
2
0
T
<
8
C,
or
38
<
T
45
C
:
2
4
Multiply the
second term
(the
value
in
parenthesis)
by
the
following
error
factors
when
the
measurement
time
mode
is
set to
LONG,
8
T
<
18
C,
or
28
<
T
38
C
:
2
5
0
T
<
8
C, or
38
<
T
45
C:
2
25
3
When measuring a grounded DUT
, multiply the second
term (the value in parenthesis) by one of the following error
factors according to the measurement time mode:
SHORT :
2
2
MEDIUM :
2
1.5
LONG :
2
1.25
4
Im: Measured current value [A]
5
When the test cable length is 1.5 to 2 m.
6
After 1 second from range changing.
7
When the contact check function is ON, multiply the second term (the value in parenthesis) by 1.5.
8
When the Oset-Error Canceling is OFF.
8-4 Specications