Fluke 5730A, Calibration Manual, Page: 92 / 104

5730A
Calibration Manual
82
Wideband Frequency Accuracy Test
Use Table 21 for the test record. Proceed as follows to test the Wideband
module frequency accuracy:
1. Connect the Frequency Counter, Tektronix Model FCA3000 or equivalent, to
the Calibrator wideband output and measure the output frequency at the
frequencies listed in Table 21.
2. Verify that the frequency counter indicates frequencies within the 0.01 %
limits shown.
Wideband AC Voltage Module Output Verification
The wideband tests are for units with the Option 5700A-03 Wideband AC Module
only. The verification test for the wideband module works as follows:
•
Accuracy at 1 kHz: Output at 1 kHz is tested by comparing the wideband
output at the end of the cable and termination supplied with the instrument to
the 5790A at INPUT 2.
•
Output flatness: The output flatness is tested using the 5790A wideband input
and using reduced spec limits when the TUR (Test Uncertainty Ratio) is less
than 4:1.
Table 19 lists the equipment required for testing and calibrating the Wideband
module.
Table 19. Equipment Required for Testing and Calibrating the Wideband Option
Equipment Model or Description
AC Measurement Standard Fluke 5790A with Wideband Option -03
Wideband cable Supplied with 5700A-03
50
Ω
Termination Supplied with 5700A-03
Adapter Pomona 1269 BNC(F) to dual banana plug.
Adapter Kings KN-99-46 N(F) to BNC(M)