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A settling time is required during the automatic range switching, and the sampled value during
this time is not accurate, which will cause integral error. Therefore, in order to obtain accurate
integration results, Fluke recommends setting the channel used for integration to manual
range, and the range should cover the instantaneous voltage and current.
Harmonic
In HARMONIC mode, the user can analyze the signals in the form of a table/bar/FFT.
Enter Harmonic Mode
•
From the main screen of current measurement screen select k.
Table 15
lists the items displayed on the screen.
Item
Items
Basic Frequency
Total Harmonic
Distortion
Fundamental Content
Harmonic Content
Harmonic
Voltage/Current
Factors
Table, Bar and FFT
Soft Keys
Bottom Bar
Note
Table 15. Harmonic Screen
The name of the currently selected items depends on the options in Item.
See
Select the Harmonics to Display
The fundamental frequency (Hz) of the reference signal (sync source).
Total harmonic distortion of the voltage or current of the currently item, U
or I
. The unit is %.
thd
Fundamental content of the voltage or current of the currently selected
Item, U
or I
. The unit is %.
fc
fc
Harmonic content of the voltage or current of the currently selected Item,
U
or I
. The unit is%.
hc
hc
Harmonic voltage or current factor of the currently Item, hvf or hcf.
Displays table, bar or FFT depending on the selected display mode.
1 (Configure): Global configuration, see
2 (Item): Select the harmonic items displayed on the screen see
the Harmonics to
Display.
3 (Mode): Harmonic display mode. You can push this button to cycle
through harmonic table, bar and FFT.
4(
/Axis): Page Up key or Axis Setup key. It is the Page Up key
under the table display mode, and it is the Axis Setup key under the bar
and the FFT mode. See Linear and Logarithmic Axis.
5 (
): Page Down, is used to scroll down the page to display more
content.
Displays the current page.
Description
for details.
Global
Power Analyzers
Operation
thd
Configuration.
Select
35
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