User manual

PQM-702, PQM-703 Operating Manual
94
Hard clamps C-7
0..100 A
(±360 A
p-p
)
0.01% I
nom
Additional uncertainty
0..100 A:  (0.5% + 0.02 A)
(45..65 Hz)
0..100 A:  (1.0% + 0.04 A)
(40..1000 Hz)
Crest Factor
1..10 (1..3.6 for I
nom
)
for I
RMS
≥ 1% I
nom
0.01
5%
6.4.5 Frequency
Frequency
Range and conditions
Resolution
Basic uncertainty
F
40..70 Hz
10% U
nom
≤ U
RMS
≤ 200% U
nom
0.01 Hz
0.01 Hz
6.4.6 Harmonics
Harmonics
Range and condi-
tions
Resolution
Basic uncertainty
Harmonic (n)
DC, 1..50, grouping: harmonics sub-groups acc. to IEC 61000-4-7
U
RMS
amplitude
0..200% U
nom
0.01% U
nom
0.05% U
nom
if m.v.<1% U
nom
5% of m.v.if m.v.≥ 1% U
nom
(acc. to IEC 61000-4-7 Class I)
I
RMS
amplitude
Depending clamps
used (see specifica-
tions for I
RMS
)
0.01% I
nom
0.15% I
nom
if m.v.<3% I
nom
5% m.v. if m.v. ≥3% I
nom
(acc. to IEC 61000-4-7 Class I)
Voltage THD-R
(n = 2..50)
0.0…100.0%
for U
RMS
≥ 1% U
nom
0.1%
5%
Current THD-R
(n = 2..50)
0.0…100.0%
for I
RMS
≥ 1% I
nom
0.1%
5%
K-Factor
1.0…50.0
for I
RMS
≥ 1% I
nom
0.1
10%
Phase angle (voltage)
-180…+180
0.1 
(n  1)
Phase angle (current)
-180…+180
0.1 
(n  1)
6.4.7 Interharmonics
Interharmonics
Range and condi-
tions
Resolution
Basic uncertainty
Harmonic (n)
0..50, grouping: interharmonics subgroups acc. to IEC 61000-4-7 (subharmonic
additionally takes into account 5 Hz bin)
U
RMS
amplitude
0..200% U
nom
0.01% U
nom
0.05% U
nom
if m.v.<1% U
nom
5% of m.v.if m.v.≥ 1% U
nom
(acc. to IEC 61000-4-7 Class I)
I
RMS
amplitude
Depending clamps
used (see specifica-
tions for I
RMS
)
0.01% I
nom
0.15% I
nom
if m.v.<3% I
nom
5% m.v. if m.v. ≥3% I
nom
(acc. to IEC 61000-4-7 Class I)
Voltage TID-R
(n = 0..50)
0.0…100.0%
for U
RMS
≥ 1% U
nom
0.1%
5%
Current TID-R
(n = 0..50)
0.0…100.0%
for I
RMS
≥ 1% I
nom
0.1%
5%