Table 3. DC Accuracy Verification (Continued)
Config
Input
Impedance
(
Ω)
Vertical
Range
(V
pk-pk
)
Vertical
Offset
(V)
Test
Points
(V)
As-
Found
Limits
(mV)
As-Left
Limits
(mV)
Measurement
Uncertainty
(mV)
1
22
1 M
0.2
-0.5
-0.590
±2.91
±1.54
±0.15
23
1 M
0.7
0
0.315
±2.17
±1.14
±0.12
24
1 M
0.7
0
-0.315
±2.17
±1.14
±0.12
25
1 M
0.7
0.5
0.815
±4.17
±2.19
±0.22
26
1 M
0.7
-0.5
-0.815
±4.17
±2.19
±0.22
27
1 M
1.4
0
0.630
±3.94
±2.04
±0.21
28
1 M
1.4
0
-0.630
±3.94
±2.04
±0.21
29
1 M
1.4
0.5
1.130
±5.94
±3.09
±0.39
30
1 M
1.4
-0.5
-1.130
±5.94
±3.09
±0.39
31
1 M
5
0
2.250
±13.0
±6.50
±0.74
32
1 M
5
0
-2.250
±13.0
±6.50
±0.74
33
1 M
5
4.5
6.750
±31.0
±16.0
±1.64
34
1 M
5
-4.5
-6.750
±31.0
±16.0
±1.64
35
1 M
10
0
4.500
±25.7
±13.0
±1.62
36
1 M
10
0
-4.500
±25.7
±13.0
±1.62
37
1 M
10
4.5
9.000
±43.7
±22.5
±2.85
38
1 M
10
-4.5
-9.000
±43.7
±22.5
±2.85
39
1 M
40
0
18.00
±101.4
±42.8
±6.48
40
1 M
40
0
-18.00
±101.4
±42.8
±6.48
41
1 M
40
20
38.00
±201.4
±91.8
±14.8
42
1 M
40
-20
-38.00
±201.4
±91.8
±14.8
1
Measurement uncertainty based on Fluke 9500B with Fluke 9530 test head specifications that
apply at T
cal
± 5 °C, where Factory T
cal
= 23 °C. Uncertainty of the 9500B includes long-term
stability of 1 year, temperature coefficient, linearity, load, and line regulation and traceability of
factory and National Calibration Standard.
PXIe-5172 Calibration Procedure
|
© National Instruments
|
15