3.4 Viewing Harmonic Measured Values
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The instrument displays the results of harmonic analysis for voltage, current, and active power.
Since all calculation processing is performed in parallel internally, you can obtain harmonic measured values
with simultaneity with other measured values simply by switching display parameters.
Additionally, when the synchronization frequency is 45 Hz to 66 Hz, the instrument can perform harmonic
measurement that compliant with IEC 61000-4-7:2002.
Set the synchronization source for the harmonic measurement to be performed with the instrument as
described in "3.2.4 Setting the Synchronization Source (SYNC)" (p.48).
The following table summarizes the instrument’s harmonic measurement parameters and corresponding dis-
play methods:
Switching display modes
3.4 Viewing Harmonic Measured Values
3.4.1 Setting the Synchronization Source
3.4.2 Method for Displaying Harmonic
Measurement Parameters
Display mode Normal display Harmonic level display
Harmonic content percentage
display
LEVEL lamp off on off
HD% lamp off off on
Measurement
items
• Total harmonic voltage distortion
• Total harmonic current distortion
• Fundamental wave voltage RMS value
• Harmonic current RMS value
• Fundamental wave active power
• Fundamental wave apparent power
• Fundamental wave reactive power
• Fundamental wave power factor
• Fundamental wave voltage current
phase difference
• Harmonic voltage RMS value
• Harmonic current RMS value
• Harmonic active power
• 0th to 50th order
• Harmonic voltage content
percentage
• Harmonic current content
percentage
• Harmonic active power
content percentage
• 0th to 50th order
Example: Harmonic level
display (
LEVEL lamp
Press repeatedly until the dis-
play mode you wish to use is
shown.
You can check the display mode based on the
LEVEL lamp and HD% lamp state.