5.10
THD measurement (AC mode only)
•
Select the 'THD' indicator then press the navigator key
to enter the THD mode
THD-F=RMS of harmonics ÷ RMS of fundamental ×100%.
(harmonics up to the 25th)
"DOWNWARD"
"THD"
"ENTER"
"
"
"
"RIGHTWARD"
"LEFTWARD"
"UPWARD"
"RIGHTWARD"
"LEFTWARD"
ENTER
"
>2SEC
"UPWARD"
"DOWNWARD"
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