6-11
IM 760201-01E
Harmonic Measurement (Optional)
3
2
1
4
5
6
7
8
9
10
11
12
13
14
App
Index
Explanation
The harmonic measurement range can be specified. The harmonic orders specified here
are used to determine the numeric data of the distortion factor. For information about how
the distortion factor is determined, see section 14.4.
Selecting the Minimum Harmonic to Measure
You can select the minimum harmonic order to be measured from one of the choices
below.
•
0: The 0
th
order (DC) component is included when numeric harmonic waveform
data is determined.
•
1: The 0
th
order (DC) component is not included when numeric harmonic waveform
data is determined. The 1
st
order (fundamental signal) is the first component
used.
Setting the Maximum Harmonic Order to Measure
You can select a harmonic order from 1 to 50.
Note
• If the minimum harmonic order to measure is set to 1, the data of the DC component is not
included when determining the distortion factor.
• Overload (“-OL-”) and zero are not displayed for harmonic orders from dc (0
th
order)
to 50. For information about the display of zero and the overload indication in normal
measurement, see section 5.2.
• You can set the maximum harmonic order up to the 50th order, but the maximum harmonic
order that is actually used to determine numeric data is the upper limit of harmonic analysis.
The upper limit of harmonic analysis is either set to an automatically determined value or
to the value that you set, whichever is smaller. It can go up to the 50th harmonic order. The
numeric data corresponding to harmonic orders exceeding the upper limit is displayed as
“-------” (no data).
6.4 Setting the Measured Harmonic Orders
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