A 1588
Multi range AC current clamps
11
0,00
0,50
1,00
1,50
2,00
2,50
10
100
1000
10000
Freqency (Hz)
A
c
u
rr
a
c
y
(
%
)
Figure 8: Accuracy vs. frequency (for 5A range)
0,0
0,5
1,0
1,5
2,0
2,5
3,0
10
100
1000
10000
Freqency (Hz)
P
h
a
s
e
E
rr
o
r
(°
)
Figure 9: Phase error vs. frequency (for 5A range)
Electromagnetic Compatibility (EMC)
Current clamps A 1588 conforms to the directive 2004/108/EC for EMC, as defined by
EN-61326-1:
- Emission: Class B (domestic and industrial use).
- Immunity: Intended for use in industrial locations, but can also be used for
domestic purposes (Performance criteria B), with addition to the tables bellow:
Table 1: Immunity to radiated RF fields*
Range
Operational conditions Disturbance < 0,2 %
Disturbance > 0,2 %
0.5A
0.05 A ÷ 0.5 A
322 MHz ÷ 1 GHz
80MHz ÷ 322 MHz
5A
0.5 A ÷ 5 A
250 MHz ÷ 1 GHz
80MHz ÷ 250 MHz
50A
5
A ÷ 100 A
80 MHz ÷ 1 GHz
–
* Field strength: 10V/m, Modulation: AM, 80%, 1 kHz
Table 2: Immunity to Magnetic field*
Range
Operational conditions Disturbance
0.5A
0.05 A ÷ 0.5 A
< 6 % of m.v.
5A
0.5 A ÷ 5A
< 0.5 % of m.v.
50A
5 A ÷ 100 A
< 0.2 % of m.v.
*Field strength: 30 A/m, Modulation: AM, 80%, 1kH.
