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NI 4071 7½-Digit FlexDMM Calibration Procedure
2-Wire Resi
st
ance
No
te
To
le
ra
nce
s a
re re
la
tive
to the
repor
ted c
al
ibrat
or res
is
ta
nce
val
ue.
For a
n exa
m
pl
e
calculation of the ve
rification tolerance,
refer
to T
able
Tab
le
24
.
N
I
4071 2-Wire
Resist
ance V
e
rification T
o
lerances
Cal
ibrator
Re
sist
an
ce
Range
2-Y
ear T
o
leran
c
e
(ppm o
f Calib
ra
tor Res
ist
anc
e +
ppm
of Ran
g
e)
24-Hou
r T
o
leranc
e
± (NI
4071
S
p
ec
ifica
tion
+ F
luke
572
0 S
p
ecifi
catio
n)
NI
4071
S
p
ec
ific
ation
± (ppm
of Cali
brator Res
ist
anc
e +
ppm
of Ran
g
e)
Fluk
e
5
720 S
p
eci
ficati
o
n
*
± (ppm
of Outp
ut)
0
100 M
0 +
20
0 + 6
N/A
0
10
M
0 +
10
0 + 5
N/A
0
1 M
0 + 1.
2
0 +
1.
2
N/A
0
100 k
0 +
10
0 + 4
N/A
0
10
k
0 +
20
.5
0 +
20
.5
N/A
0
1 k
0 +
200.
5
0 + 20
0.
5
N/A
0
10
0
0 + 200
4
0 +
20
02
.5
N/A
1 G
†
5 G
50,
00
0 +
2,
00
0
10
,0
00
+
2,
00
0
In
sert
th
e u
nce
rtain
ty
v
alue
fo
r
the
stand
ard
resistor
you
are u
sing
.
10
0 M
100 M
6,
00
0 +
20
500
+
6
95
10
M
10
M
90 + 10
60
+
5
31
