5700A/5720A Series II Calibrator
Service Manual
1-40
AC Current Secondary Performance Specifications and Operating Characteristics
Temperature
Coefficient
[2]
Stability ±1 °C
[1]
24 Hours
10 - 40 °C
0 - 10 °C and
40 - 50 °C
Noise and
Distortion
(Bandwidth
10 Hz - 50 kHz
<0.5V Burden)
Range
Frequency
(Hz)
± (ppm output + nA) ± (ppm output + nA)/°C
Compliance
Limits
(V rms)
Maximum
Resistive
Load
For Full
Accuracy
[3]
(Ω)
± (% output + µA)
220 µA
10 - 20
20 - 40
40 - 1 k
1 k - 5 k
5 k - 10 k
150 + 5
80 + 5
30 + 3
50 + 20
400 + 100
50 + 5
20 + 5
4 + 0.5
10 + 1
20 + 100
50 + 5
20 + 5
10 + 0.5
20 + 1
20 + 100
7 2 k
[6]
0.05 + 0.1
0.05 + 0.1
0.05 + 0.1
0.25 + 0.5
00.5 + 1
2.2 mA 10 - 20
20 - 40
40 - 1 k
1 k - 5 k
5 k - 10 k
150 + 5
80 + 5
30 + 3
50 + 20
400 + 100
50 + 5
20 + 4
4 + 1
10 + 100
50 + 400
50 + 5
20 + 4
10 + 2
20 + 100
50 + 400
7 500 0.05 + 0.1
0.05 + 0.1
0.05 + 0.1
0.25 + 0.5
00.5 + 1
22 mA 10 - 20
20 - 40
40 - 1 k
1 k - 5 k
5 k - 10 k
150 + 50
80 + 50
30 + 30
50 + 500
400 + 1000
50 + 10
20 + 10
4 + 10
10 + 500
50 + 1000
50 + 10
20 + 10
10 + 20
20 + 400
50 + 1000
7 150 0.05 + 0.1
0.05 + 0.1
0.05 + 0.1
0.25 + 0.5
00.5 + 1
Hz
± (ppm output + µA) ± (ppm output + µA) / °C
220 mA 10 - 20
20 - 40
40 - 1 k
1 k - 5 k
5 k - 10 k
150 + 0.5
80 + 0.5
30 + 0.3
50 + 3
400 + 5
50 + 0.05
20 + 0.05
4 + 0.1
10 + 2
50 + 5
50 + 0.05
20 + 0.05
10 + 0.1
20 + 2
50 + 5
7 15 0.05 + 10
0.05 + 10
0.05 + 10
0.25 + 50
00.5 + 100
2.2 A 20 - 1 k
1 k - 5 k
5 k - 10 k
50 + 5
80 + 20
800 + 50
4 + 1
10 + 5
50 + 10
10 + 1
20 + 5
50 + 10
1.4
[4]
0.5 0.5 + 100
0.3 + 500
0 1 + 1 mA
5725A Amplifier:
± (% output)
11 A 40 - 1 k
1 k - 5 k
5 k - 10 k
75 + 100
100 + 150
200 + 300
20 + 75
40 + 75
100 + 75
30 + 75
50 + 75
100 + 75
3 3 0.05
[5]
0.12
[5]
0.5
[5]
Notes:
Maximum output from 5720A terminals is 2.2 A. Uncertainty specifications for 220 µA and 2.2 mA ranges are increased by a factor of 1.3, plus
2 µA when supplied through 5725A terminals. Specifications are otherwise identical for all output locations.
1. Stability specifications are included in the Absolute Uncertainty values for the primary specifications.
2. Temperature coefficient is an adder to uncertainty specifications that does not apply unless operating more than ±5 °C from calibration
temperature.
3. For larger resistive loads multiply uncertainty specifications by: (
accuracy full for load maximum
load actual
)
2
4. 1.5 V compliance limit above 1 A. 5725A Amplifier may be used in range-lock mode down to 1 A.
5. For resistive loads within rated compliance voltage limits.
6. For outputs from the Aux Current terminals, the maximum resistive load for full accuracy is 1 kΩ. For larger resistive loads, multiply the
uncertainty as described in Note 3.
Minimum Output ....................................................9 µA for 220 µA range, 10 % on all other ranges. 1 A minimum for 5725A.
Inductive Load Limits............................................400 µH (5700A/5720A, or 5725A). 20 µH for 5700A/5720A output >1 A.
Power Factors........................................................5700A/5720A, 0.9 to 1; 5725A, 0.1 to 1. Subject to compliance voltage
limits.
Frequency:
Range (Hz)..........................................................10.000 - 11.999, 12.00 - 119.99, 120.0 - 1199.9, 1.200 k - 10.000 k
Uncertainty ....................................................±0.01 %
Resolution .....................................................11,999 counts
Settling Time ......................................................5 seconds for 5700A/5720A ranges; 6 seconds for 5725A 11 A range; +1
second for amplitude or frequency range change.
Overshoot...........................................................<10 %
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