MI 2792 PowerQ4 Plus
Operating the instrument
49
THD
Total harmonic distortion THD
U
and THD
I.
CF
Crest factor Cf
U
and Cf
I.
PEAK
Peak value U
Pk
and I
Pk.
MAX 1/2
Maximal U
Rms(1/2)
voltage U
Rms(1/2)Max
and maximal I
½Rms
current,
I
½
Rms
Max
measured from last RESET (key: F2).
MIN 1/2
Minimal U
Rms(1/2)
voltage U
Rms(1/2)Min
and minimal I
½Rms
current I
½
Rms
Min
,
measured from last RESET (key: F2).
f
Frequency on reference channel.
Table 3.45: Keys functions - METER
Show measurements for phase L1
Show measurements for phase L2
Show measurements for phase L3
Show measurements for neutral channel
Summary of all phases measurements
Show phase-to-phase voltages measurements
Switch to METER view.
Switch to SCOPE view
Switch to TREND view (available only during recording)
Return to the “WAVEFORM RECORDER” setup screen.
Figure 3.36: Captured waveform scope screen
Table 3.46: Instrument screen symbols and abbreviations - SCOPE
Current instrument time.
Show record number in MEMORY LIST.
U1, U2, U3,
Un, U12,
U23, U31
True effective value of voltage – U
Rms(10).
I1, I2, I3, In
True effective value of current – I
Rms(10).
Thd
Total harmonic distortion THD
U
and THD
I.
f
Frequency on reference channel.
Time scale at beginning and the end of the scope screen
