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SDS6000L User Manual
2 3 4 i n t . s i g l e n t . c o m
Parameter Description
For the first 40 harmonics, the following values are displayed:
Measured Value (RMS)
-- The measured value displayed in the unit specified by the harmonic unit
parameter
Limit Value (RMS)
-- Limits specified by the selected standard
Margin (%)
--The margin specified by selected standard parameters. The margin value is (standard
value - measured value) / standard value * 100%
Pass/Fail State
-- Determine whether the measured value is passed or failed according to the selected
standard. The rows in the table or the bars in the bar chart are rendered in different colors based on
the pass / fail state. When the value is greater than 85% of the limit but less than 100% of the limit, it
is defined as a critical state.
Total Harmonic Distortion
（
THD
）
=
 








ï‹™


ïˆ
，
where X
n
is the nth harmonic, and X
1
is
the basic component.
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