MI 2893 / MI 2892 / MI 2885
Harmonics / inter-harmonics
57
BAR
Switches to BAR view.
AVG
Switches to AVG (average) view (available only during recording).
TREND
Switches to TREND view (available only during recording).
Shifts through harmonic / interharmonic components.
Triggers Waveform snapshot.
Returns to the “MEASUREMENTS” submenu.
3.8.2
Histogram (Bar)
Bar screen displays dual bar graphs. The upper bar graph shows instantaneous voltage harmonics and
the lower bar graph shows instantaneous current harmonics.
Figure 41: Harmonics histogram screen
Description of symbols and abbreviations used in BAR screens are shown in table below.
Table 25: Instrument screen symbols and abbreviations
Ux h01 … h50
Instantaneous voltage harmonic / inter-harmonic component in V
RMS
and in % of
fundamental voltage
Ix h01 … h50
Instantaneous current harmonic / inter-harmonic component in A
RMS
and in % of
fundamental current
Ux DC
Instantaneous DC voltage in V and in % of fundamental voltage
Ix DC
Instantaneous DC current in A and in % of fundamental current
Ux THD
Instantaneous total voltage harmonic distortion THD
U
in V and in % of
fundamental voltage
Ix THD
Instantaneous total current harmonic distortion THD
I
in A
RMS
and in % of
fundamental current
Table 26: Keys in Harmonics / inter-harmonics (BAR) screens
HOLD
Holds measurement on display.
RUN
Runs held measurement.
F4
F1
