MI 2883 Energy Master
Operating the instrument
31
Table 3.8: Instrument screen symbols and abbreviations
U1, U2, U3
True effective value of phase voltage: U
1
,
U
2
,
U
3
U12, U23, U31
True effective value of phase-to-phase (line) voltage: U
12
,
U
23
,
U
31
I1, I2, I3, In
True effective value of current: I
1
,
I
2
,
I
3
,
I
N
Table 3.9: Keys in Scope screens
HOLD
Holds measurement on display.
RUN
Runs held measurement.
Selects which waveforms to show:
U
I U,I U/I
Shows voltage waveform.
U
I
U,I U/I
Shows current waveform.
U I
U,I
U/I
Shows voltage and current waveform (single graph).
U I U,I
U/I
Shows voltage and current waveform (dual graph).
Selects between phase, neutral, all-phases and line view:
1
2 3 N
Δ
Shows waveforms for phase L1.
1
2
3 N
Δ
Shows waveforms for phase L2.
1
2
3
N
Δ
Shows waveforms for phase L3.
1
2 3
N
Δ
Shows waveforms for neutral channel.
1
2 3 N
Δ
Shows all phase waveforms.
1
2 3 N
Δ
Shows all phase-to-phase waveforms.
12
23 31
Δ
Shows waveforms for phase L12.
12
23
31
Δ
Shows waveforms for phase L23.
12
23
31
Δ
Shows waveforms for phase L31.
12
23 31
Δ
Shows all phase waveforms.
METER
Switches to METER view.
SCOPE
Switches to SCOPE view.
TREND
Switches to TREND view (available only during recording).
Selects which waveform to zoom (only in U/I or U+I).
Sets vertical zoom.
Sets horizontal zoom.
Triggers Waveform snapshot.
Returns to the “MEASUREMENTS” submenu.
F1
F2
F3
F4
ENTER
