Manual Supplement 5520A Operator
4 7/11
DC Current Specifications
Range
Absolute Uncertainty,
tcal ±5 °C
±(ppm of output + μA)
Resolution
Max Compliance
Voltage
V
Max Inductive
Load
mH
90 days 1 year
0 to 329.999 μA 120 + 0.02 150 + 0.02
1 nA 10
400
0 to 3.29999 mA
80 + 0.05 100 + 0.05 0.01 μA
10
0 to 32.9999 mA
80 + 0.25 100 + 0.25 0.1 μA
7
0 to 329.999 mA
80 + 2.5 100 + 2.5 1 μA
7
0 to 1.09999 A 160 + 40
200 + 40 10 μA
6
1.1 to 2.99999 A 300 + 40
380 + 40 10 μA
6
0 to 10.9999 A
(20 A Range)
380 + 500 500 + 500 100 μA
4
11 to 20.5 A
[1]
800 + 750
[2]
1000 + 750
[2]
100 μA
4
[1] Duty Cycle: Currents <11 A may be provided continuously. For currents >11 A, see Figure B. The current may be provided 60-T-I
minutes any 60 minute period where T is the temperature in °C (room temperature is about 23 °C) and I is the output current in
Amps. For example, 17 A, at 23 °C could be provided for 60-23-17 = 20 minutes each hour. When the 5520A is outputting
currents between 5 and 11 amps for long periods, the internal self-heating reduces the duty cycle. Under those conditions, the
allowable "on" time indicated by the formula and Figure B is achieved only after the 5520A is outputting currents <5 A for the "off"
period first.
[2] Specifications apply within two minutes of selecting operate.
Range
Noise
Bandwidth
0.1 Hz to 10 Hz
p-p
Bandwidth
10 Hz to 10 kHz
rms
0 to 329.999 μA
2 nA 20 nA
0 to 3.29999 mA 20 nA 200 nA
0 to 32.9999 mA 200 nA
2.0 μA
0 to 329.999 mA 2000 nA
20 μA
0 to 2.99999 A
20 μA
1 mA
0 to 20.5 A
200 μA
10 mA
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