Keysight U1271A, Service Manual

Page: 34 / 63

1 Calibration Procedures
34 Keysight U1270 Series Service Guide
16 DCmA
Turn the rotary switch to
the position.
30 mA 30 mA ±0.065 mA ±0.065 mA
300 mA 300 mA ±0.65 mA ±0.65 mA
17
ACmA
While the rotary switch is
in the position, press the
key once.
30 mA 30 mA, 20 Hz - ±0.295 mA
30 mA, 45 Hz ±0.295 mA ±0.205 mA
30 mA, 65 Hz ±0.295 mA ±0.205 mA
30 mA, 1 kHz ±0.295 mA ±0.295 mA
300 mA 300 mA, 20 Hz - ±2.95 mA
300 mA, 45 Hz ±2.95 mA ±2.05 mA
300 mA, 65 Hz ±2.95 mA ±2.05 mA
300 mA, 1 kHz ±2.95 mA ±2.95 mA
18
DCA [h]
Turn the rotary switch to
the position.
3 A 3 A ±0.0100 A ±0.0100 A
10 A 10 A ±0.04 A ±0.04 A
[h] CAUTION: Connect the calibrator to the multimeter's A and COM terminals before applying the 3 A and 10 A input.
19
ACA
While the rotary switch is in
the position, press the
key once.
3 A 3 A, 45 Hz ±0.0325 A ±0.0265 A
3 A, 65 Hz ±0.0325 A ±0.0265 A
3 A, 1 kHz ±0.0325 A ±0.0325 A
10 A 10 A, 45 Hz ±0.125 A ±0.105 A
10 A, 65 Hz ±0.125 A ±0.105 A
10 A, 1 kHz ±0.125 A ±0.125 A
Table 1-2 Performance verification tests (continued)
Step Test function Range 5520 output Error from nominal 1 year
U1271A U1272A/
U1273A/U1273AX
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