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LF2005-S Datasheet, PDF (1/2 Pages) LEM – Current Transducer LF 2005-S | |||
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Current Transducer LF 2005-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 = 2000 A
Electrical data
I
Primary nominal r.m.s. current
PN
I
Primary current, measuring range @ ± 24 V
P
R
Measuring resistance
M
with ± 15 V
with ± 24 V
@ ± 2000 A max
@ ± 2200 A max
@ ± 2000 A max
@ ± 3000 A max
ISN
Secondary nominal r.m.s. current
K N Conversion ratio
V
Supply voltage (± 5 %)
C
IC
Current consumption
Vd
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
Accuracy - Dynamic performance data
X
Overall accuracy @ I , T = 25°C
εG
L
Linearity
PN A
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)
- 25°C .. + 70°C
General data
TA
Ambient operating temperature
TS
Ambient storage temperature
R
Secondary coil resistance @ T = 70°C
S
A
m Mass
Standards 2)
2000
A
0 .. ± 3000
A
R
M min
R
M max
0
8
â¦
0
5
â¦
5
29 â¦
5
11 â¦
400
mA
1 : 5000
± 15 .. 24
V
33 (@ ± 24 V)+ IS mA
6
kV
± 0.3
%
< 0.1
%
Typ Max
± 0.5 mA
± 0.2 ± 0.4 mA
<1
> 50
DC .. 100
µs
A/µ s
kHz
- 25 .. + 70
°C
- 40 .. + 85
°C
25
â¦
1.5
kg
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
020708/5
www.lem.com
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