User manual
PQM-702, PQM-703 Operating Manual
98
6.4.11 Flicker
Flicker
Range and conditions
Resolution
Basic uncertainty
P
st
(10 min.)
P
lt
(2 h)
0,2…10
for U
RMS
≥ 80% U
nom
0.01
5% within the values presented in
tables of IEC 61000-4-15 standard
6.4.12 Unbalance
Unbalance (voltage
and current)
Range and conditions
Resolution
Basic uncertainty
Unbalance ratio for posi-
tive, negative and zero
sequence
0.0%...20.0%
for
80% U
nom
≤ U
RMS
< 150% U
nom
0.1%
0.15%
(absolute uncertainty)
6.4.13 Mains signalling
Parameter
Range and condi-
tions
Resolution
Basic uncertainty
Measurement method
in accordance with IEC 61000-4-30:2011
Frequency
5.00…3000.00 Hz
0.01 Hz
not applicable
Amplitude of ripple
control signal
UR1, UR2
<1% U
nom
0.01% U
nom
not specified
1..3% U
nom
0.15% U
nom
3..15% U
nom
5%
6.4.14 Transients
Parameter
Range and conditions
Resolution
Basic uncertainty
Voltage transients
±6000 V
5 V
(5% + 25 V)
6.5 Event detection - voltage and current RMS
U
RMS
voltage
(swells, dips, interruptions)
Range
Resolution
Basic uncertainty
U
RMS(1/2)
0.0%...150.0% U
nom
0.01% U
nom
0.2% U
nom
Detection thresholds
Set by the user in percentage or absolute values. Event detection based
on the measurement of U
RMS(1/2)
(1-period RMS refreshed every ½ pe-
riod).
Duration
hh:mm:ss.ms
½ period
One period
Waveform record
max. 1 s of recording and 960 ms pretrigger time,
sampling: 10.24 kHz, resolution: 8-bit.
I
RMS
current
(min, max)
Range
Resolution
Basic uncertainty
I
RMS(1/2)
0.0%...100.0% I
nom
0.01% I
nom
0.2% I
nom
Detection thresholds
Set by the user in percentage or absolute values. Event detection based
on the measurement of I
RMS(1/2)
(1-period RMS refreshed every ½ period).
Duration
hh:mm:ss.ms
½ period
One period
Waveform record
max. 1 s of recording and 960 ms pretrigger time,
sampling: 10.24 kHz, resolution: 8-bit.