Current Transducer LT 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).
I
PN
=
1000 A
Electrical data
I
PN
I
P
R
M
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance @
with ± 15 V
with ± 24 V
I
SN
K
N
V
C
I
C
V
d
V
b
@ ± 1000 A
max
@ ± 1200 A
max
@ ± 1000 A
max
@ ± 2000 A
max
1000
0 .. ± 2000
T
A
= 70°C
T
A
= 85°C
R
M min
R
M max
R
M min
R
M max
0
0
0
0
22.5
11
65
10
0
0
0
0
18.5
8
62
7
A
A
Features
•
Closed loop (compensated) current
transducer using the Hall effect
•
Insulated plastic case recognized
according to UL 94-V0.
Ω
Ω
Ω
Ω
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.
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
R.m.s. rated voltage
1)
, safe separation
basic isolation
200
mA
1 : 5000
± 15 .. 24
V
30
(@ ± 24 V) +
I
S
mA
6
kV
1750
V
3500
V
Accuracy - Dynamic performance data
X
G
ε
L
Overall accuracy @
I
PN
,
T
A
= 25°C
Linearity
Offset current @
I
P
= 0,
T
A
= 25°C
Thermal drift of
I
O
- 10°C .. + 85°C
Response time
2)
@ 90 % of
I
P max
di/dt accurately followed
Frequency bandwidth (- 1 dB)
± 0.4
< 0.1
Typ
Max
± 0.4
± 0.5
%
%
mA
mA
µs
A/µs
kHz
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.
I
O
I
OT
t
r
di/dt
f
± 0.3
<1
> 50
DC .. 150
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
Mass
Standards
- 10 .. + 85
- 25 .. + 100
43
46
320
EN 50178
°C
°C
Ω
Ω
g
T
A
= 70°C
T
A
= 85°C
3)
Notes :
1)
2)
3)
Pollution class 2. With a non insulated primary bar which fills the
through-hole
With a di/dt of 100 A/µs
A list of corresponding tests is available
980716/4
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