Current Transducer LAS 50-TP/SP1
For the electronic measurement of currents : DC, AC, pulsed, mixed,
with a galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
I
I
V
R
R
V
C
V
I
X
TCV
TCV
TC
V
t
t
di/dt
f
T
T
m
All Data are given with a R
Notes :
PN
P
C
LEM
ra
r
C
OM
A
S
OUT
OUT
L
REF
L
L
Electrical data
Accuracy - Dynamic performance data
General data
OUT
OUT
G
/ V
Primary nominal r.m.s. current
Primary current, measuring range
Analog output voltage @
Output load resistance
Output internal resistance
Internal reference voltage
V
V
V
Max. output capacitive load
Supply voltage (± 5 %)
Current consumption @ V
Accuracy
Linearity error 0 .. I
Thermal drift of V
Thermal drift of the gain
Residual voltage @ I
Reaction time @ 10 % of I
Response time @ 90 % of I
di/dt accurately followed
Output noise without external filter
Frequency bandwidth (- 1 dB)
Ambient operating temperature
Ambient storage temperature
Mass
Standards
1)
2)
REF
REF
REF
REF
Excluding electrical, magnetic offsets and linearity
Including magnetic offset.
Thermal drift of V
external voltage range
load resistance
internal resistance
1)
@ I
PN
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
, T
OUT
PN
OUT
L
A
P
@ I
= 10 k
2)
= 25°C
/ V
= 0, after an overload of 2 x I
P
REF
= 0
C
PN
@ I
= 5 V
PN
P
= 0
- 40°C .. + 85°C
- 40°C .. + 85°C
- 10°C .. + 85°C
- 40°C .. - 10°C
I
P
= 0
typ
I
P
PN DC
50
0 .. ± 150
V
V
2.5 ± 0.025
200
2.0 .. 2.8
1
5
18
< ± 1
< 0.7
Typ Max
150 300
400 700
± 5
< 200
< 500
> 100
< 10
DC .. 100
- 40 .. + 85
- 40 .. + 100
20
EN 50178 : 1997
80
50
REF
REF
2
20
1
±
16067
± 0.025
(0.625
120
80
·
I
ppm/K
ppm/K
ppm/K
ppm/K
m V p p
P
/I
PN
A/µs
kHz
M
mV
mA
) V
k
nF
ns
ns
°C
°C
%
%
g
A
A
V
V
V
V
I
Features
Special feature
Advantages
Applications
Application domain
PN
Current transducer using
Eta-technology
Unipolar voltage supply
Insulated plastic case recognized
according to UL 94-V0
Compact design for PCB mounting
Extended measuring range.
The internal reference is ratiometric.
Excellent accuracy
Very good linearity
Very low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
interference
Current overload capability.
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.
Industrial.
Copyright protected.
= 50 A
w w w .lem.com
060410/12
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