MI 2892 Power Master
Operating the instrument
30
Figure 3.11: U, I, f meter summary table screens
In those screens on-line voltage and current measurements are shown. Descriptions of symbols and
abbreviations used in this menu are shown in table below.
Table 3.6: Instrument screen symbols and abbreviations
RMS
UL
IL
True effective value U
Rms
and I
Rms
THD
ThdU
ThdI
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
Maximal U
Rms(1/2)
voltage and maximal I
Rms(1/2)
current, measured after RESET (key:
F2)
MIN
Minimal U
Rms(1/2)
voltage and minimal I
Rms(1/2)
current, measured after RESET (key:
F2)
f
Frequency on reference channel
Note: In case of overloading current or overvoltage on AD converter, icon
will be displayed in the
status bar of the instrument.
Table 3.7: Keys in Meter screens
HOLD
Holds measurement on display. Hold clock time will be displayed in the
right top corner.
RUN
Runs held measurement.
RESET
Resets MAX and MIN values (U
Rms(1/2)
and
I
Rms(1/2)
).
1
2 3 N
Δ
Shows measurements for phase L1.
1
2
3 N
Δ
Shows measurements for phase L2.
1
2
3
N
Δ
Shows measurements for phase L3.
1
2 3
N
Δ
Shows measurements for neutral channel.
1
2 3 N
Δ
Shows measurements for all phases.
F1
F2
F3
