Frequency Accuracy Calibration
This calibration procedure applies to all models (34460A/61A/65A/70A).
Review Test Considerations and Gain Calibration Considerations before beginning this procedure.
Configuration: Frequency, 10 V range
The frequency accuracy of the Fluke 5720A is insufficient to calibrate the DMM. Its frequency output needs
to be calibrated against a more accurate reference. The Keysight 33500B Series Function/Arbitrary Wave-
form Generator is recommended for this calibration procedure.
1.
Configure the instrument for frequency measurements at 10 V and 10 kHz, with 1 second gate time.
2.
Apply a 10 kHz sine wave between 9 and 11 Vrms.
3.
Enter the actual applied input frequency (see Entering Calibration Values). A Calibration Step Suc-
ceeded message indicates success; if the display shows Calibration Step Failed, check the input value,
range, function, and entered calibration value and repeat the calibration step.
4.
Store the new calibration constants (see Storing the Calibration Constants).
This calibration takes approximately 1 second to complete.
Next Procedure
Keysight Truevolt Series Operating and Service Guide
547
Calibration Adjustment Procedures
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