MI 2892 Power Master
Operating the instrument
70
Table 3.58: Instrument screen symbols and abbreviations
Waveform recorder is active, waiting for trigger
Waveform recorder is active, recording in progress
U1, U2, U3, Un
True effective value of phase voltage: U
1Rms
,
U
2Rms
,
U
3Rms
,
U
NRms
U12, U23, U31
True effective value of phase-to-phase (line) voltage:
U
12Rms
,
U
23Rms
,
U
31Rms
I1, I2, I3, In
True effective value of current: I
1Rms
,
I
2Rms
,
I
3Rms
,
I
NRms
Table 3.59: Keys in Waveform recorder capture screen
TRIG.
Manually generates trigger condition (Active only if recording is in
progress).
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 waveforms on single graph.
U I U,I
U/I
Shows voltage and current waveforms on separate graphs.
Selects between phase, neutral, all-phases and line view:
1
2 3 N
Shows waveforms for phase L1.
1
2
3 N
Shows waveforms for phase L2.
1
2
3
N
Shows waveforms for phase L3.
1
2 3
N
Shows waveforms for neutral channel.
1
2 3 N
Shows waveforms for all phases.
12
23 31 Δ
Shows waveforms for phase to phase voltage L12.
12
23
31 Δ
Shows waveforms for phase to phase voltage L23.
12
23
31
Δ
Shows waveforms for phase to phase voltage L31.
12
23 31
Δ
Shows waveforms for all phase-to-phase voltages.
SETUP
Switches to SETUP view.
(Active only if recording in progress).
Selects which waveform to zoom (only in U,I or U/I ).
Sets vertical zoom.
Sets horizontal zoom.
Returns to the “WAVEFORM RECORDER” setup screen.
3.15.3
Captured waveform
Captured waveforms can be viewed from the Memory list menu.
F1
F2
F3
F4
ENTER
