Calibration Procedures 1
Keysight U3606B Service Guide 45
AC current verification test
1 Connect the calibrator to the front panel I (red) and LO (black) input terminals
(see Figure 1-6, “Test setup for DC current and AC current gain verification,”
on page 31).
2 Press [] to select the AC current function. The AC annunciator will turn on
according to your selection.
3 Select each range in the order shown below. Provide the indicated input
current and frequency. Compare the measurement results to the appropriate
test limits in Table 1-6. (Be certain to allow for appropriate source settling
when using the Fluke 5520A.)
2-wire resistance gain verification test
1 Connect the calibrator to the front panel (red) and LO (black) input
terminals (see Figure 1-4, “Test setup for 2-wire resistance gain verification,”
on page 30).
2 Press [] to select the resistance function.
3 Select each range in the order shown below. Provide the indicated input
resistance. Compare the measurement results to the appropriate test limits in
Table 1-7 (be certain to allow for appropriate source settling when using the
Fluke 5520A).
Table 1-6 AC current gain verification test
Input current Input frequency Range Error from nominal 1-year
1 mA 1 kHz 10 mA ±0.015 mA
10 mA 1 kHz 10 mA ±0.06 mA
10 mA 1 kHz 100 mA ±0.15 mA
100 mA 1 kHz 100 mA ±0.6 mA
0.1 A 1 kHz 1 A ±0.0015 A
1 A 1 kHz 1 A ±0.006 A
1 A 1 kHz 3 A ±0.008 A
3 A 1 kHz 3 A ±0.018 A
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