
vii
IM WT3001E-51EN
1
2
3
4
5
6
7
8
9
10
11
12
13
Index
11.1 FFT Function ...................................................................................................................11-1
11.2 Various Settings Related to FFT ......................................................................................11-4
11.3 Setting the FFT Mode ......................................................................................................11-5
11.4 Selecting the Power Spectrum to Be Displayed, Selecting the FFT Source,
11.5 Setting the Number of Computed Points and Time Window .........................................11-10
11.6 Setting the Display Range of the X-Axis (Frequency) and the Scale Type of the Y-Axis
11.7 Selecting the Display Type of the Power Spectrum.......................................................11-14
11.8 Displaying the Power Spectrum on the Split Screen .....................................................11-16
11.9 Cursor Measurement .....................................................................................................11-17
11.10 FFT Function Specifications
..........................................................................................11-20
Chapter 12 Voltage Fluctuation and Flicker Measurement (Option)
12.1 Voltage Fluctuation and Flicker Measurement Function ................................................ 12-1
12.2 Setting the Voltage Fluctuation and Flicker Measurement Mode ................................... 12-6
12.3 Setting the Measurement Conditions ............................................................................. 12-8
12.4 Setting the Judgement Conditions ............................................................................... 12-13
12.5 Executing the Normal Voltage Fluctuation and Flicker Measurement .......................... 12-18
12.6 Executing the Measurement of dmax Caused by Manual Switching ........................... 12-25
12.7 Voltage Fluctuation and Flicker Measurement Specifications
...................................... 12-33
Chapter 13 Cycle-by-Cycle Measurement
13.1 Cycle-by-Cycle Measurement Function ......................................................................... 13-1
13.2 Setting the Cycle-by-Cycle Measurement Mode ............................................................ 13-4
13.5 Cycle-by-Cycle Measurement Specifications
............................................................... 13-19
Contents