LT100-S-SP30 Datasheet, PDF (1/2 Pages) LEM – Current Transducer

Current Transducer LT 100-S/SP30
For the electronic measurement of currents : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
I_PN = 100 A
Electrical data
16240
I_PN
Primary nominal r.m.s. current
I_P
Primary current, measuring range
R_M Measuring resistance
with ± 12 V
with ± 18 V
@ ± 100 A
max
@ ± 200 A _max
@ ± 100 A
max
@ ± 200 A _max
I
Secondary nominal r.m.s. current
SN
K _N Conversion ratio
V
Supply voltage (± 5 %)
C
I_C
Current consumption
V
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
d
100
A
0 .. ± 200
A
R_{M min}
R_{M max}
0
75 
0
25 
30
135 
30
55 
100
mA
1 : 1000
± 12 .. 18
V
28 (@ ± 18 V) + I_S mA
5
kV
Features
 Closed loop (compensated) current
transducer using the Hall effect
 Insulated plastic case recognized
according to UL 94-V0.
Special features
 T_A = - 40°C .. + 70°C
 Potted.
Advantages
Accuracy - Dynamic performance data
X _G Overall accuracy @ I_PN , T_A = 25°C
 _L Linearity error
I
O
I_{O T}
t
r
di/dt
f
Offset current @ I = 0, T = 25°C
P
A
Thermal drift of I_O
- 25°C .. + 70°C
- 40°C .. - 25°C
Response time 1) @ 90 % of I
PN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
General data
T_A
Ambient operating temperature
T_S
Ambient storage temperature
R _S Secondary coil resistance @ T_A = 70°C
m
Mass
Standards
± 0.5
%
< 0.1
%
Typ Max
± 0.4 mA
± 0.3 ± 0.6 mA
± 0.4 ± 1.0 mA
<1
> 50
DC .. 150
µs
A/µs
kHz
- 40 .. + 70
°C
- 50 .. + 85
°C
25

184
g
EN 50155
 Excellent accuracy
 Very good linearity
 Low temperature drift
 Optimized response time
 Wide frequency bandwidth
 No insertion losses
 High immunity to external
interference
 Current overload capability.
Applications
Single or three phases inverter
 Propulsion and braking chopper
 Propulsion converter
 Auxiliary converter
 Battery charger.
Application domain
 Traction.
Note : ¹⁾ With a di/dt of 100 A/µs.
LEM
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
060911/3
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