MI 2892 Power Master
Operating the instrument
74
Figure 3.52: Transient recorder capture screen
Table 3.64: Instrument screen symbols and abbreviations
Transient recorder is active, waiting for trigger
Transient recorder is active, recording in progress
U1, U2, U3, Un
True 1-cycle effective value of phase voltage: U
1Rms
,
U
2Rms
,
U
3Rms
,
U
NRms
U12, U23, U31
True 1-cycle effective value of phase-to-phase voltage:
U
12Rms
,
U
23Rms
,
U
31Rms
I1, I2, I3, In
True 1-cycle effective value of current: I
1Rms
,
I
2Rms
,
I
3Rms
,
I
NRms
Table 3.65: Keys in Transient 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).
Sets vertical zoom.
Selects which waveform to zoom (only in U,I or U/I ).
F1
F2
F3
F4
ENTER
