4.6 Viewing Noise Measurement Values (FFT Function)
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4
Chapter 4 Viewing Measurement Values
A numerical noise value is recognized as a peak value when its amplitude is greater than the levels of the
next lower- and higher-frequency points in voltage and current FFT calculation results, and the ten high-
est peak values are acquired.
In this case, frequencies below the set minimum noise frequency are ignored.
Settings on the Setting Screen
Select the item
Display the
[Calc] page
Select with the F keys
Minimum Noise FrequencyFrequency
Level
The range of available settings for the minimum noise frequency depends on the noise sam-
pling rate setting.
Noise Sampling Rate 500 kS/s 250 kS/s 100 kS/s 50 kS/s 25 kS/s 10 kS/s
Minimum Noise
Frequency
0 to 10 kHz 0 to 9 kHz 0 to 4 kHz 0 to 1 kHz
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