Lower Display Frequency Source Test - Fluke 725Ex Calibration Manual

Lower Display Frequency Source Test

1. Press M on the UUT until SOURCE appears on the lower display.
2. Press F on the UUT until Hz appears on the lower display.
3. Configure the HP 3458A to measure frequency.
4. Make the connections shown in Figure 7.
5. Use the arrow keys on the UUT to set the UUT output to the frequencies in Table 9
and verify that the HP 3458A readings are within the limits shown. (Use F to
change the UUT output to kilohertz when necessary.)
6. Press M on the UUT to disable the sourcing function.
Figure 7. Lower Display Frequency Source Test Connections
UUT Outputs
40 Hz
1000 Hz
1.0 kHz
4.0 kHz
10.0 kHz
Table 9. Lower Display Frequency Source Readings
Multifunction Process Calibrator
HP 3458A Readings
39.98 Hz to 40.02 Hz
999.5 Hz to 1000.5 Hz
997.5 Hz to 1002.5 Hz
3.990 Hz to 4.010 kHz
9.975 Hz to 10.025 kHz
Performance Tests
aal08f.eps
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