A 1588
Multi range AC current clamps
10
Safety: EN/IEC 61010-1
EN/IEC 61010-2-32
EMC: EN/IEC 61326-1
Accuracy And Phase Error
Reference conditions:
Temperature: 23
0
C
1
0
C
Humidity: 60 %
Current range
Nominal current (I
Nom
)
0.5 A
5 A
50 A
Peak current
1.5 A
PEAK
15 A
PEAK
150 A
PEAK
Crest factor @ Nominal current
3,0
3,0
3,0
A
ccuracy
Current range*
50 mA
÷ 1 A
0.5 A
÷ 10 A
5 A
÷ 100 A
RMS Current Accuracy
0.5 % of m.v.
0.5 % of m.v.
0.5 % of m.v.
Frequency range
40 Hz ÷ 700 Hz (<0.5
0
phase error)
700
Hz ÷ 2500 Hz (<3
0
phase error)
Continuity of measurements
100 A continuous
120 A (40 min / 20 min intermitted)
Load impedance
< 1 k
Ω
Working voltage
600 Vrms
Influence of neighbour conductor:
< 1 mA/A at 50 Hz
Influence of conductor position:
< 0.3 % at f < 400 Hz
*Accuracy for 0÷10% range is 0.1% · I
Nom
m.v.
– measured value
Typical Performance Characteristics
-2,00
-1,50
-1,00
-0,50
0,00
0,50
0,0
2,0
4,0
6,0
8,0
10,0
12,0
Current (A)
A
c
c
u
ra
c
y
(
%
)
Figure 6: Accuracy vs. current (for 5A range)
0,00
0,20
0,40
0,60
0,80
1,00
1,20
1,40
0
5
10
15
Current (A)
P
h
a
s
e
E
rr
o
r
(°
)
Figure 7: Phase error vs. current (for 5A range)
