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Figure 2-38
The frequency of the input signal is shown in the primary display. The voltage or
ampere value of the signal is shown in the secondary display. The bar graph does
not indicate frequency but indicates the voltage or ampere value of the input
signal.
Observe the following measurement techniques:
– If a reading shows as 0 Hz or is unstable, the input signal may be below or near
– If a reading seems to be a multiple of what you expect, the input signal may be
Press
measurements.
Press
Keysight U1271A/U1272A User's Guide
Frequency display
the trigger level. You can usually correct these problems by manually selecting
a lower input range, which increases the sensitivity of the multimeter.
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.
to cycle through the frequency, pulse width, and duty cycle
for more than 1 second to exit the frequency measurement function.
Dual
E xit
Making Measurements
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