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2
Making Measurements
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:
NOTE
– If a reading shows as 0 Hz or is unstable, the input signal may be below or
– If a reading seems to be a multiple of what you expect, the input signal may
Press
measurements.
Press
102
Frequency display
near the trigger level. You can usually correct these problems by manually
selecting a lower input range, which increases the sensitivity of the
multimeter.
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.
to cycle through the frequency, pulse width, and duty cycle
for more than 1 second to exit the frequency measurement function.
Dual
Exit
Keysight U1273A/U1273AX User's Guide
