Fluke 5500A, Service Manual

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Calibration and Verification
Performance Verification Tests
3
3-39
3-48. AC Voltage Harmonic Amplitude Accuracy (AUX)
The AC Voltage Harmonic Amplitude Accuracy (AUX) tests the accuracy of the 50th
harmonic from the AUX terminals. For this test, set the 5500A output to sinewave. Table
3-35 shows the test points.
Table 3-35. AC Voltage Harmonic Amplitude Accuracy (AUX)
Nominal
Value
(NORMAL)
Nominal
Value
(AUX)
Frequency
(AUX)
Frequency
(NORMAL) Measured
Value (V)
(AUX)
Deviation
%
90-Day Spec
(%)
100 mV 329 mV 1 kHz 20 Hz 0.305%
100 mV 329 mV 5 kHz 100 Hz 0.424
100 mV 329 mV 10 kHz 200 Hz 0.574
100 mV 3.29 V 1 kHz 20 Hz 0.097
100 mV 3.29 V 5 kHz 100 Hz 0.235
100 mV 3.29 V 10 kHz 200 Hz 0.385
3-49. DC Voltage Offset Accuracy
The DC Voltage Offset Accuracy test the accuracy of the dc offset function for an ac
sinewave output on the NORMAL terminals. Table 3-36 shows the test points.
Table 3-36. DC Voltage Offset Accuracy Test
Nominal
ACV
Value
Nominal DC
Value
Frequency Measured Value
(V DC) (NORMAL)
Deviation
%
1-Year Spec.
(
µ
V or %)
10 mV 0 V 1 kHz 33
µ
V
10 mV 50 mV 1 kHz 0.166%
100 mV 0 V 1 kHz 330
µ
V
100 mV 500 mV 1 kHz 0.166%
1 V 0 V 1 kHz 3.3 mV
1 V 5 V 1 kHz 0.166%
3.3 V 0 V 1 kHz 33 mV
3.3 V 45 V 1 kHz 0.173%