Dc current specifications, 15. dc current specifications – Fluke 5725A User Manual
Page 36
5725A
Instruction Manual
1-20
1-15. DC Current Specifications
Table 1-13. 5720A Series II DC Current Specifications: 99 % and 95 % Confidence Levels
5720A
99%
99 % Confidence Level
Range
Resolution
Absolute Uncertainty
±
5 °C from calibration temperature.
For fields strengths >0.4 V/m but
≤
3 V/m,
add 1 % of range.
Relative Uncertainty
±
1 °C
24 Hours
90 Days
180 Days
1 Year
24 Hours
90 Days
nA
±
(ppm output + nA)
±
(ppm output + nA)
220
µ
A
2.2 mA
22 mA
0.1
1
10
0
40 + 7
0
30 + 8
0
30 + 50
0
42 + 7
0
35 + 8
0
35 + 50
0
45 + 7
0
37 + 8
0
37 + 50
0
50 + 7
0
40 + 8
0
40 + 50
0
24 + 7
0
24 + 8
0
24 + 50
0
26 + 7
0
26 + 8
0
26 + 50
µ
A
±
(ppm output +
µ
A)
±
(ppm output +
µ
A)
220 mA
2.2 A
[Note 1]
0.1
1
0
40 + 0.8
0
60 + 15
0
45 + 0.8
0
70 + 15
0
47 + 0.8
0
80 + 15
0
50 + 0.8
0
90 + 15
0
26 + 0.5
0
40 + 12
0
30 + 0.5
0
45 + 12
5725A Amplifier:
11 A
10
330 + 470
340 + 480
350 + 480
360 + 480
100 + 130
110 + 130
5720A
95%
95 % Confidence Level
Range
Resolution
Absolute Uncertainty
±
5 °C from calibration temperature
For fields strengths >0.4 V/m but
≤
3 V/m,
add 1 % of range.
Relative Uncertainty
±
1 °C
24 Hours
90 Days
180 Days
1 Year
24 Hours
90 Days
nA
±
(ppm output + nA)
±
(ppm output + nA)
220
µ
A
2.2 mA
22 mA
0.1
1
10
0
32 + 6
0
25 + 7
0
25 + 40
0
35 + 6
0
30 + 7
0
30 + 40
0
37 + 6
0
33 + 7
0
33 + 40
0
40 + 6
0
35 + 7
0
35 + 40
0
20 + 6
0
20 + 7
0
20 + 40
0
22 + 6
0
22 + 7
0
22 + 40
µ
A
±
(ppm output +
µ
A)
±
(ppm output +
µ
A)
220 mA
2.2 A
[Note 1]
0.1
1
0
35 + 0.7
0
50 + 12
0
40 + 0.7
0
60 + 12
0
42 + 0.7
0
70 + 12
0
45 + 0.7
0
80 + 12
0
20 + 0.7
0
32 + 12
0
25 + 0.7
0
40 + 12
5725A Amplifier:
11 A
10
330 + 470
340 + 480
350 + 480
360 + 480
100 + 130
110 + 130
Note:
Maximum output from calibrator terminals is 2.2 A. Uncertainty specifications for 220 mA and 2.2 mA
ranges are increased by a factor of 1.3 when supplied through 5725A terminals.
Specifications are otherwise identical for all output locations.
1. Add to uncertainty specifications:
±
200 x
I
2
ppm for >100 mA on 220 mA range
±
10 x
I
2
ppm for >1 A on 2.2 A range