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Resistance Specifications
1
1-23
1-30. Resistance Specifications
Table 1-10. 5720A Series II Resistance Specifications: 99 % and 95 % Confidence Levels
5720A
99%
99% Confidence Level
Nominal
Value
Absolute Uncertainty of Characterized Value
±5 °C from calibration temperature [Note 1]
Relative Uncertainty
±1 °C
24 Hours 90 Days 180 Days 1 Year 24 Hours 90 Days
Ω
±ppm ±ppm
0
1
1.9
10
19
100
190
1 k
1.9 k
10 k
19 k
100 k
190 k
1 M
1.9 M
10 M
19 M
100 M
50 µΩ
85
85
23
23
10
10
8
8
8
9
9
9
16
17
33
43
100
50 µΩ
95
95
25
25
11
11
9
9
9
9
11
11
18
19
37
47
110
50 µΩ
100
100
26
26
11.5
11.5
9.5
9.5
9.5
9.5
12
12
20
21
40
50
115
50 µΩ
110
110
27
27
12
12
10
10
10
10
13
13
23
24
46
55
120
50 µΩ
32
25
5
4
2
2
2
2
2
2
2
2
2.5
3
10
20
50
50 µΩ
40
33
8
7
4
4
3
3
3
3
3
3
5
6
14
24
60
5720A
95%
95 % Confidence Level
Nominal
Value
Absolute Uncertainty of Characterized Value
±5 °C from calibration temperature [Note 1]
Relative Uncertainty
±1 °C
24 Hours 90 Days 180 Days 1 Year 24 Hours 90 Days
Ω
±ppm ±ppm
0
1
1.9
10
19
100
190
1 k
1.9 k
10 k
19 k
100 k
190 k
1 M
1.9 M
10 M
19 M
100 M
40 µΩ
70
70
20
20
8
8
6.5
6.5
6.5
7.5
7.5
7.5
13
14
27
35
85
40 µΩ
80
80
21
21
9
9
7.5
7.5
7.5
7.5
9
9
15
16
31
39
95
40 µΩ
85
85
22
22
9.5
9.5
8
8
8
8
10
10
17
18
34
42
100
40 µΩ
95
95
23
23
10
10
8.5
8.5
8.5
8.5
11
11
20
21
40
57
100
40 µΩ
27
20
4
3.5
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
2
2.5
8
16
40
40 µΩ
35
26
7
6
3.5
3.5
2.5
2.5
2.5
2.5
2.5
2.5
4
4
12
20
50
Note: 1. Specifications apply to displayed value. 4-wire connections, except 100 MΩ.