Performance Tests and Calibration 7
Agilent U1251A/U1252A User’s and Service Guide 133
Step Test Function Range 5520A Output
Error from nominal 1 year
U1251A U1252A
6 Turn the rotary switch to the
mV position
50 mV 50 mV ± 75 μV
[2]
± 75 μV
[2]
500 mV 500 mV ± 0.2 mV ± 0.175 mV
–500 mV ± 0.2 mV ± 0.175 mV
1000 mV 1000 mV ± 0.8 mV ± 0.75 mV
–1000 mV ± 0.8 mV ± 0.75 mV
7 Press button to go to
the mV mode
[1]
50 mV 50 mV, 1 kHz ± 0.34 mV ± 0.24 mV
50 mV, 10 kHz ± 0.54 mV ± 0.39 mV
50 mV, 20 kHz N/A ± 0.415 mV
50 mV, 30 kHz ± 0.86 mV N/A
50 mV, 100 kHz N/A ± 1.87 mV
500 mV 500 mV, 45 Hz ± 5.6 mV ± 8.1 mV
500 mV, 1 kHz ± 3.25 mV ± 2.25 mV
500 mV, 10 kHz ± 5.4 mV ± 2.25 mV
500 mV, 20 kHz N/A ± 4.15 mV
500 mV, 30 kHz ± 8.6 mV N/A
500 mV, 100 kHz N/A ± 18.7 mV
1000 mV 1000 mV, 1 kHz ± 8.5 mV ± 6.5 mV
1000 mV, 10 kHz ± 12.5 mV ± 6.5 mV
1000 mV, 20 kHz N/A ± 11.5 mV
1000 mV, 30 kHz ± 20.0 mV N/A
1000 mV, 100 kHz N/A ± 47.0 mV