Introduction and Specifications
DC Current Specifications
1
1-21
Table 1-14. 5700A Series II DC Current Specifications: 99 % and 95 % Confidence Levels
5700A
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 µA
2.2 mA
22 mA
0.1
1
10
045 + 10
045 + 10
045 + 100
050 + 10
050 + 10
050 + 100
055 + 10
055 + 10
055 + 100
060 + 10
060 + 10
060 + 100
024 + 2
024 + 5
024 + 50
026 + 2
026 + 5
026 + 50
µA ± (ppm output + µA) ± (ppm output + µA)
220 mA
2.2 A
[Note 1]
0.1
1
055 + 1
075 + 30
060 + 1
080 + 30
065 + 1
090 + 30
070 + 1
095 + 30
026 + .3
040 + 7
030 + .3
045 + 7
5725A Amplifier:
11 A 10 330 + 470 340 + 480 350 + 480 360 + 480 100 + 130 110 + 130
5700A
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 µA
2.2 mA
22 mA
0.1
1
10
035 + 8
035 + 8
035 + 80
040 + 8
040 + 8
040 + 80
045 + 8
045 + 8
045 + 80
050 + 8
050 + 8
050 + 80
020 + 1.6
020 + 4
020 + 80
022 + 1.6
022 + 4
022 + 80
µA ± (ppm output + µA) ± (ppm output + µA)
220 mA
2.2 A
[Note 1]
0.1
1
045 + 0.8
060 + 25
050 + 0.8
065 + 25
055 + 0.8
075 + 25
060 + 0.8
080 + 25
022 + 0.25
035 + 6
025 + 0.25
040 + 6
5725A Amplifier:
11 A 10 330 + 470 340 + 480 350 + 480 360 + 480 100 + 130 110 + 130
Note: Maximum output from the calibrator’s 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 >1A on 2.2A range
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