Current Transducer LTS 15-NP
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
PN
= 15 At
16058
Electrical data
I
PN
I
PM
Î
PDC
V
OUT
N
S
R
L
R
IM
TCR
IM
V
C
I
C
Primary nominal current rms
Primary current, measuring range
Overload capability (direct current)
Analog output voltage @
I
P
I
P
= 0
Number of secondary turns (± 0.1 %)
Load resistance
Internal measuring resistance (± 0.5 %)
Temperature coefficient of
R
IM
Supply voltage (± 5 %)
Current consumption @
V
C
= 5 V
15
At
0 .. ± 48
At
250
At
2.5
±
(0.625
·
I
P
/I
PN
) V
2.5
1)
V
2000
≥
2
k
Ω
83.33
Ω
< 50
ppm/K
5
V
2)
28+
I
S
+(V /R
L
) mA
OUT
Features
•
Closed loop (compensated) multi-
•
•
•
•
•
range current transducer using the
Hall effect
Unipolar voltage supply
Compact design for PCB mounting
Isolated plastic case recognized
according to UL 94-V0
Incorporated measuring resistance
Extended measuring range.
Typ
Advantages
•
•
•
•
•
•
•
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.
Accuracy - Dynamic performance data
X
ε
L
Accuracy @
I
PN
,
T
A
= 25°C
Accuracy with
R
IM
@
I
PN
,
T
A
= 25°C
Linearity error
± 0.2
± 0.7
< 0.1
%
%
%
Maxi
120 ppm/K
170 ppm/K
50
3)
ppm/K
± 0.5
± 2.0
± 2.0
mV
mV
mV
ns
ns
A/µ s
kHz
kHz
TCV
OUT
TCG
V
OM
Typ
Temperature coefficient of
V
OUT
@
I
P
= 0 - 10°C .. + 85°C 65
- 40°C .. - 10°C
Temperature coefficient of
G
- 40°C .. + 85°C
Magnetic offset voltage @
I
P
= 0,
after an overload of 3 x
I
PN
5 x
I
PN
10 x
I
PN
Reaction time @ 10 % of
I
PN
Response time to 90 % of
I
PN
step
di/dt accurately followed
Frequency bandwidth (0 .. - 0.5 dB)
(- 0.5 .. 1 dB)
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.
t
ra
t
r
di/dt
BW
< 100
< 400
> 35
DC .. 100
DC .. 200
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
Standards
- 40 .. + 85
°C
- 40 .. + 100
°C
10
g
EN 50178
: 1997
IEC 60950-1: 2001
Application domain
•
Industrial.
Notes:
1)
2)
3)
Absolute value @
T
A
= 25°C, 2.475 <
V
OUT
< 2.525
I
S
=
I
P
/N
S
Only due to
TCR
IM
.
Copyright protected.
Page 1/3
061102/17
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
LEM [ LEM ]
