FHS-40-P-SP600 Datasheet, PDF (10/18 Pages) LEM – Current transducer FHS 40-P/SP600

Application information
FHS 40-P/SP600
0 - 100A
Sensitivity function of distance
(thin and long conductor)
250
200
150
100
50
0
0
1
2
3
4
Conductor to sensor distance (mm)
Figure 9: Sensitivity versus the distance between the conductor and the Minisens sensing elements
The example above is of limited practical use as most conductors are not round and thin but explains the principles of Minisens
operation.
The
measuring
range
limit
(I_PM)
is
reached
when
the
output
voltage
(V
OUT
-
V
REF
)
reaches
2
V.
This limit is due to electrical saturation of the output amplifier. The input current or field may be increased above this limit without
risk for the circuit.
Recovery will occur without additional delay (same response time as usual).
The maximum current that can be continuously applied to the transducer (I_PM) is only limited by the primary conductor carrying
capacity.
100727/10
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
Page 10/18
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