44 U1241B/U1242B User’s and Service Guide
5 Performance Tests and Calibration
Step Test Function Range 5520A Output
Error from nominal 1 year
U1241B U1242B
5 Turn the rotary switch to position 1000
W
1000.0
W
± 3.3
W
[1]
10 k
W
10.000 k
W
± 33
W
[1]
100 k
W
100.00 k
W
± 330
W
1000 k
W
1000.0 k
W
± 3.3 k
W
10 M
W
10.000 M
W
± 83 k
W
100 M
W
100.00 M
W
± 1.53 M
W
[2]
6 Turn the rotary switch to position 1000 nF 1000.0 nF ± 12.4 nF
10 μF 10.000 μF ± 0.124 μF
100 μF 100.00 μF± 1.24 μF
1000 μF 1000.0 μF ± 20.4 μF
10 mF 10.000 mF 0.204 mF
7 Turn the rotary switch to 1000 μA 1000.0 μA± 1.3 μA
position 10000 μA 10000 μA± 13 μA
8 Press to go to μA
1000 μA 1000.0 μA, 500 Hz ± 10.5 μA
function 1000.0 μA, 1 kHz ± 15.5 μA
10000 μA 10000 μA, 500 Hz ± 105 μA
10000 μA, 1 kHz ± 155 μA
9 Turn the rotary switch to 100 mA 100.0 mA ± 0.23 mA
position 440 mA 400.0 mA
[3]
± 2.3 mA
10 Press to go to mA 100 mA 100.00 mA, 500 Hz ± 1.05 mA
function 100.00 mA, 1 kHz ± 1.55 mA
440 mA 400 mA
[3]
, 500 Hz ± 4.5 mA
400 mA
[3]
, 1 kHz ± 6.5 mA