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LF1005-S_06 Datasheet, PDF (1/3 Pages) LEM – Current Transducer
Current Transducer LF 1005-S
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).
IPN = 1000 A
Electrical data
16110
IPN
Primary nominal r.m.s. current
1000
A
I
P
Primary current, measuring range @ ± 24 V
0 .. ± 1500
A
RM Measuring resistance @
TA = 70°C TA = 85°C
RR RR
M min Mmax M min Mmax
with ± 15 V
with ± 24 V
@ ± 1000 A
max
@ ± 1200 A max
@ ± 1000 A max
@ ± 1500 A max
0 18 0 15 Ω
0 70 4Ω
5 60.5 10 57.5 Ω
5 24 10 21 Ω
I
Secondary nominal r.m.s. current
SN
K N Conversion ratio
V
Supply voltage (± 5 %)
C
IC
Current consumption
200
mA
1 : 5000
± 15 .. 24
V
28 (@ ± 24 V) + IS mA
Accuracy - Dynamic performance data
X
Overall accuracy @ I , T = 25°C
εG
L
Linearity error
PN A
I
O
IOT
tr
di/dt
f
Offset current @ I = 0, T = 25°C
P
A
Thermal drift of IO
Response time 1) @ 90 % of IPN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
- 10°C .. + 85°C
± 0.4
%
< 0.1
%
Typ Max
± 0.4 mA
± 0.3 ± 0.5 mA
<1
> 100
DC .. 150
µs
A /µ s
kHz
General data
TA
Ambient operating temperature
T
Ambient storage temperature
S
R S Secondary coil resistance @
m
Mass
Standards
TA = 70°C
T = 85°C
A
- 10 .. + 85
°C
- 25 .. + 100 °C
48
Ω
51
Ω
550
g
EN 50178 : 1997
Features
• Closed loop (compensated) current
transducer using the Hall effect
• Insulated plastic case recognized
according to UL 94-V0.
Advantages
• 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
• AC variable speed drives and servo
motor drives
• Static converters for DC motor drives
• Battery supplied applications
• Uninterruptible Power Supplies
(UPS)
• Switched Mode Power Supplies
(SMPS)
• Power supplies for welding
applications.
Application Domain
• Industrial.
Note : 1) With a di/dt of 100 A/µs.
060821/7
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
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