Keysight U1251B, User'S And Service Manual, Page: 155 / 198

Performance Tests and Calibration 6
Keysight U1251B/U1252B User’s and Service Guide 133
Step Test Function Range 5520A Output
Error from nominal 1 year
U1251B U1252B
1000.0
μ
F 1000.0
μ
F ± 10.5
μ
F ± 10.5
μ
F
10.00 mF 10.00 mF ± 0.105 mF ± 0.105 mF
100.00 mF 10.00 mF ± 0.4 mF ± 0.4 mF
14 Press button to go to
mode
[ 8 ][ 13 ]
–200 ºC until
1372 ºC 0 ºC ± 3 ºC ± 3 ºC
100 ºC ± 3.3 ºC ± 3.3 ºC
15 Turn the rotary swich to the
position
500
μ
A 500
μ
A ± 0.55
μ
A
[ 9 ]
± 0.3
μ
A
[ 9 ]
5000
μ
A 5000
μ
A ± 5.5
μ
A
[ 9 ]
± 3
μ
A
[ 9 ]
16 Press button to go to
µA mode
[ 1 ]
500
μ
A 500
μ
A, 1 kHz ± 4.2
μ
A ± 3.7
μ
A
500
μ
A, 20 kHz ± 15.8
μ
A ± 3.95
μ
A
5000
μ
A 5000
μ
A, 1 kHz ± 42
μ
A ± 37.0
μ
A
5000
μ
A, 20 kHz ± 0.156 mA ± 39.5
μ
A
17 Turn the rotary switch to the
position
50 mA 50 mA ± 0.105 mA
[ 9 ]
± 80
μ
A
[ 9 ]
440 mA 400 mA ± 0.93 mA
[ 9 ]
± 0.65 mA
[ 9 ]
18 Press button to go to
mA mode
[ 1 ]
50 mA 50 mA, 1 kHz ± 0.42 mA ± 0.37 mA
50 mA, 20 kHz ± 1.56 mA ± 0.395 mA
440 mA 400 mA, 45 Hz ± 3.4 mA ± 3.0 mA
400 mA, 1 kHz ± 3.4 mA ± 3.0 mA
Caution: Connect the calibrator to handheld multimeter's A and COM terminals before applying 5A and 10A
5 A 5 A ± 16 mA ± 16 mA
10 A
[ 10 ]
10 A ± 40 mA ± 35 mA