MISCELLANEOUS
141
THD Format
Choose one of the THD (Total Harmonic Distortion) equations. The
equations of 2 varied modes (IEC by default) of Harmonic Format
below are for, specifically, by the time the upper limit of measured
harmonic order is 100.
1. Press the Menu key. The Menu
setting will appear on the display.
2. Use the scroll wheel to go to item 2, MISC
Configuration and press Enter.
3. Go to the THD Format setting using the scroll
wheel and press Enter. Choose the harmonic
mode and press Enter again to confirm.
The ratio of rms value of the second
to the 100th harmonic component is
computed to that of the
fundamental.
The ratio of rms value of the second
to the 100th harmonic component is
computed to that of the rms value
of the first to 100th component.
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