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ni.com
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NI 4071 7½-Digit FlexDMM Calibration Procedure
AC V
ol
tage
90
V
100 V
10
M
89.
99
8 V
90
.002
V
89
.9
99
V
90
.001
01 V
–9
0 V
100 V
10
M
–9
0.
00
20
0 V
–89.
99
800
V
–9
0.
00
101
V
–8
9.
999
V
10
00
V
10
00
V
10
M
999.
95
45 V
1000
.0
455
V
999
.9
65
6 V
100
0.
034
4 V
–10
00
V
10
00
V
10
M
–1
000
.0
455
V
–999
.9
545
V
–100
0.
03
44 V
–99
9.
965
6 V
Ta
bl
e 21.
NI
4071 AC V
o
ltage V
e
rification Lim
its
Calibrator O
u
tput
Ra
nge
Cou
p
ling
2-Y
e
ar
Limi
ts
Amp
litude
Fr
eq
u
e
nc
y
Lo
we
r
Uppe
r
4.
5 mV
1k
H
z
50
m
V
AC/
D
C
4.
48
78
m
V
4.
512
3 mV
45
m
V
30
H
z
50
m
V
DC
44.
9450
m
V
45
.0
550
m
V
45
m
V
50
H
z
50
m
V
AC/
D
C
44.
9675
m
V
45
.0
325
m
V
45
m
V
1k
H
z
50
m
V
AC/
D
C
44.
9675
m
V
45
.0
325
m
V
45
m
V
1k
H
z
50
0 mV
AC/
D
C
44
.9
53
m
V
45.
04
8 mV
45
m
V
20
kHz
50
m
V
AC/
D
C
44.
9675
m
V
45
.0
325
m
V
45
m
V
50
kHz
50
m
V
AC/
D
C
44.
9585
m
V
45
.0
415
m
V
45
m
V
10
0
kHz
50
m
V
AC/
D
C
44.
8550
m
V
45
.1
450
m
V
Tabl
e 20.
NI
4071 DC V
o
ltage
V
e
rification Limit
s
(Continued)
Calib
ra
tor
A
m
plitu
d
e
Ra
nge
Inp
u
t Res
istan
ce
2-Y
ear Lim
it
s
24
-Hour Li
mit
s
Lo
w
er
Up
per
Lower
Upper
