Keysight U1252B - Unsecuring the instrument for calibration

Performance Tests and Calibration 6
Keysight U1251B and U1252B User’s and Service Guide 159
14
Press button to go to
mode
[h] [m]
–200 ºC until
1372 ºC
0 ºC ± 3 °C ± 3 °C
100 ºC ± 3.3 °C ± 3.3 °C
15 Turn the rotary swich to the
position
500 A 500 A
± 0.55 A
[j]
± 0.3 A
[i]
5000 A 5000 A
± 5.5 A
[i]
± 3 A
[i]
16
Press button to
go to μA mode
[a]
500 A 500 A, 1 kHz ± 4.2 A ± 3.7 A
5000 A 5000 A, 1 kHz ± 42 A ± 37.0 A
17 Turn the rotary switch to the
position
50 mA 50 mA
± 0.105 mA
[i]
± 80 A
[i]
440 mA 400 mA
± 0.85 mA
[i]
± 0.65 mA
[i]
18
Press button to go to
mA mode
[a]
50 mA 50 mA, 20 kHz ± 0.42 mA ± 0.37 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
[j]
10 A ± 40 mA ± 35 mA
Table 6-2 Verification Test (continued)
Step Test Function Range 5520A Output
Error from nominal 1 year
U1251B U1252B