MI 2792 PowerQ4 Plus
Technical specifications
131
quantities U
31Rms(1/2)
), I
1½Rms
, I
2½Rms
, I
3½Rms
, I
N½Rms
For 50 Hz mains frequency
No. of signals
1 2 4
8
Duration
686 s
514 s
343 s
205 s
Trigger
Percent of nominal voltage or current range (rise, fall or both
edges)
6.3.4 Waveform snapshoot
Sampling
102.4 samples per cycle. All channels are sampled
simultaneously.
Recording time 10 cycle period
Recording
quantities
Waveform samples of: U
1
, U
2
, U
3
, U
N
, (U
12
, U
23
, U
31
), I
1
, I
2
, I
3
, I
N
Signatures are calculated from samples afterwards.
Trigger: Manual
6.3.5 Transients recorder
Sampling
1024 samples per cycle. All channels are sampled
simultaneously.
Recording time From 1 ÷ 47 cycle period
Recording
quantities
Waveform samples of: U
1
, U
2
, U
3
, U
N
, (U
12
, U
23
, U
31
), I
1
, I
2
, I
3
, I
N
Calculated for all channels: U
RMS
, I
RMS
, THD
U
, THD
I
Trigger:
Manual, dV - for detail see section 5.1.17
6.4 Standards compliance
6.4.1 Compliance to the IEC 61557-12
General and essential characteristic
Power quality assessment function
-S
SD
Indirect current and direct voltage
measurement
Classification according to 4.3
SS
Indirect current and indirect voltage
measurement
Temperature
K50
Hu altitude
Standard
Measurement characteristic
Function symbols Class according
to IEC 61557-12
Measuring range
Measuring method
IEC 61000-4-30 Class
P
1
5 % ÷ 200% I
Nom
(1)
Q
1
5 % ÷ 200% I
Nom
(1)
S
1
5 % ÷ 200% I
Nom
(1)
eP
1
5 % ÷ 200% I
Nom
