LF1005-S(2002) Ver la hoja de datos (PDF) - LEM Industrial
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LF1005-S Datasheet PDF : 2 Pages
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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
IPN
Primary nominal r.m.s. current
IP
Primary current, measuring range
RM Measuring resistance @
1000
A
0 .. ± 1500
A
TA = 70°C TA = 85°C
RM min RM max RM min RM max
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
ISN Secondary nominal r.m.s. current
KN Conversion ratio
VC Supply voltage (± 5 %)
IC
Current consumption
Vd
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
200
mA
1 : 5000
± 15 .. 24
V
20 (@±24V ) +IS m A
3
kV
Accuracy - Dynamic performance data
εX G
L
Overall accuracy @ IPN , TA = 25°C
Linearity
IO
IOT
tr
di/dt
f
Offset current @ IP = 0, TA = 25°C
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 m A
± 0.3 ± 0.5 m A
<1
> 100
DC .. 150
µs
A/µ s
kHz
General data
TA
Ambient operating temperature
TS
Ambient storage temperature
RS Secondary coil resistance @
m Mass
Standards 2)
- 10 .. + 85
°C
- 25 .. + 100 °C
TA = 70°C 48
Ω
TA = 85°C 51
Ω
500
g
EN 50178
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.
Notes : 1) With a di/dt of 100 A/µs
2) A list of corresponding tests is available.
LEM Components
020813/5
w w w.lem.com
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