Current Transducer LF 1005-S
IPN = 1000 A
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).
Electrical data
IPN
IP
RM
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance @
1000
0 .. ± 1500
TA = 70°C TA = 85°C
RM min RM max RM min RM max
A
A
Features
· Closed loop (compensated) current
transducer using the Hall effect
· Insulated plastic case recognized
according to UL 94-V0.
with ± 15 V
with ± 24 V
@ ± 1000 Amax
0
0
5
5
18
7
0
0
15
4
W
W
W
W
@ ± 1200 Amax
@ ± 1000 Amax
@ ± 1500 Amax
60.5 10 57.5
24 10 21
200
1 : 5000
± 15 .. 24
Advantages
ISN
KN
VC
IC
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
mA
· Excellent accuracy
· Very good linearity
V
· Low temperature drift
· Optimized response time
· Wide frequency bandwidth
· No insertion losses
· High immunity to external
interference
20 (@±24V )+IS mA
3
Vd
kV
Accuracy - Dynamic performance data
· Current overload capability.
XG
Overall accuracy @ IPN , TA = 25°C
Linearity
± 0.4
< 0.1
%
%
e
L
Applications
Typ
Max
± 0.4 mA
± 0.3 ± 0.5 mA
IO
IOT
Offset current @ IP = 0, TA = 25°C
Thermal drift of IO
· AC variable speed drives and servo
motor drives
· Static converters for DC motor drives
· Battery supplied applications
· Uninterruptible Power Supplies
(UPS)
- 10°C .. + 85°C
tr
Response time1) @ 90 % of IPN
< 1
> 100
DC .. 150
µs
A/µs
kHz
di/dt di/dt accurately followed
f
Frequency bandwidth (- 1 dB)
· Switched Mode Power Supplies
(SMPS)
General data
· Power supplies for welding
applications.
TA
TS
RS
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
- 10 .. + 85
- 25 .. + 100
48
51
500
°C
°C
W
W
g
TA = 70°C
TA = 85°C
m
Mass
Standards 2)
EN 50178
1)
Notes : With a di/dt of 100 A/µs
2)
A list of corresponding tests is available.
020813/5
LEM Components
w w w.lem.com