CAS-25-NP Datasheet, PDF (9/16 Pages) LEM – Current Transducer CAS series

CAS series
Typical performance characteristics CAS 25-NP
0.1
0.05
0
-0.05
-0.1
-25
0
25
I_P (A)
Figure 13: Linearity error
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
100
1
I_P = 25 A ₀
-1
-2
-3
-4
-5
-6
Relative
-7
Sens itivity
Phas e
-8
-9
1000 10000 100000 1000000
Frequency (Hz)
Figure 14: Frequency response
29.2
3.2
25.0
3.1
20.8
3.0
16.7
12.5
2.9
I_P = 25 A
2.8
8.3
IP
2.7
4.2
VOUT
2.6
0.0
2.5
-4.2
2.4
-0.5 0
0.5
1
1.5
2
t (µs)
Figure 15: Step response
29.2
25.0
20.8
16.7
12.5
8.3
4.2
0.0
-4.2
-2 0 2 4
t (µs)
Figure 16: Step response
3.2
3.1
3.0
2.9
I_P = 25 A
2.8
IP
2.7
VOUT 2.6
2.5
2.4
6 8 10
10000
1000
100
10
1
1.E+1 1.E+2 1.E+3 1.E+4 1.E+5 1.E+6 1.E+7
Frequency (Hz)
Figure 17: Input referred noise
800
600
400
200
0
-200
-400
-600
-800
-1 0
Figure 18: dv/dt
20 kV/μs
VP
VOUT
1
2
3
4
t (µs)
3.6
3.4
3.2
3.0
2.8
2.6
2.4
5
8March2012/version 7
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
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