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Observe the following measurement techniques:
NOTE
– If a reading shows 0 Hz or is unstable, the input signal may be below or near the trigger
level. You can usually correct these problems by manually selecting a lower input
range, which increases the sensitivity of the multimeter.
– If a reading seems to be a multiple of what you expect, the input signal may be
distorted. Distortion can cause multiple triggerings of the frequency counter. Selecting
a higher voltage range might solve this problem by decreasing the sensitivity of the
multimeter. In general, the lowest frequency displayed is the correct one.
Press
Press
than 1 second to exit the frequency measurement function.
Keysight U1281A/U1282A User's Guide
to scroll through the frequency, pulse width, and duty cycle measurements.
Hz
Save
to scroll back to the frequency measurement mode, and hold
Hz
Save
Making Measurements
for more
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