Verifying Frequency Accuracy - Fluke 5520A Service Manual

3-34. Verifying Frequency Accuracy

Verify that the 5520A performance is within the limits in Table 3-34, using a Fluke PM
6680B Frequency Counter.
Range, Normal
Output, V Normal, V
3.29999
* Frequency accuracy is specified for 1 year
Table 3-34. Verification Tests for Frequency
Output,
Frequency
3.00000 119.00 Hz
120.0 Hz
1000.0 Hz
100.00 kHz
Calibration and Verification
Performance Verification Tests
Lower Limit* Upper Limit*
118.99970 Hz 119.00030 Hz
119.99970 Hz 120.00031 Hz
999.9975 Hz 1000.0025 Hz
99,999.75 Hz 100,000.25 Hz
3
3-55