Current Transducer HXS 20-NP/SP30
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
= 5 - 10 - 20 A
All Data are given with a R
L
= 10 kΩ
Electrical data
I
PN
I
P
V
OUT
V
REF
Primary nominal r.m.s. current
Primary current measuring range
Analog output voltage @
I
P
I
P
= 0
1)
Internal Reference - Output voltage
V
REF
Output impedance
V
REF
Load impedance
Output load resistance
Output impedance
Max. output capacitive load
Supply voltage (± 5 %)
Current consumption @
V
C
= 5 V
± 20
A
± 60
A
V
REF
± (0.625·I
P
/I
PN
) V
V
REF
± 0.0125
V
2.5 ± 0.025
V
typ. 200
Ω
≥
200
kΩ
≥
2
kΩ
<
10
Ω
<
1
µF
5
V
22
mA
Features
•
Hall effect measuring principle
•
Multirange current transducer
through PCB pattern lay-out
•
Galvanic isolation between primary
and secondary circuit
•
Isolation test voltage 3500V
•
Low power consumption
•
Extremely low profile, < 11mm
•
Single power supply +5V
•
Fixed offset & gain
•
Insulated plastic case recognized
according to UL 94-V0.
R
L
R
OUT
C
L
V
C
I
C
Accuracy - Dynamic performance data
Accuracy
2)
@
I
PN
,
T
A
= 25°C
ε
L
Linearity error 0 ..
I
PN
.. 3 x
I
PN
TCV
OUT
Thermal drift of
V
OUT
@
I
P
= 0
TCV
REF
Thermal drift of
V
REF
TCV
OUT
/
V
REF
Thermal drift of
V
OUT
/
V
REF
@
I
P
= 0
TC
ε
G
Thermal drift of the gain
V
OM
Residual voltage @
I
P
= 0, after an overload of 3 x
I
PN DC
t
ra
Reaction time @ 10 % of
I
PN
t
r
Response time @ 90 % of
I
PN
di/dt
di/dt accurately followed
V
no
Output noise (DC ..10 kHz)
(DC .. 1 MHz)
f
Frequency bandwidth (-3 dB)
X
≤
±
≤
±
≤
±
≤
±
≤
±
≤
±
1
0.5
1
0.4
0.01
0.2
% of
I
PN
% of
I
PN
% of
I
PN
mV/K
%/K
mV/K
% of
I
PN
µs
µs
A/µs
mVpp
mVpp
kHz
Special Feature
•
Designed to avoid heating
Advantages
•
Small size and space saving
•
Only one design for wide current
ratings range
•
High immunity to external
interference.
•
Internal & external reference
≤
± 0.07% of reading/K
< ± 1.2
<3
<5
> 50
< 20
< 40
DC .. 50
Applications
•
AC variable speed drives
•
Static converters for DC motor drives
•
Battery supplied applications
•
Uninterruptible Power Supplies
(UPS)
•
Switched Mode Power Supplies
(SMPS)
•
Power supplies for welding
applications.
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
Standards
- 40 .. + 85
°C
- 40 .. + 85
°C
10
g
EN 50178
(97-10-01)
Notes :
1)
It is possible to overdrive
V
REF
with an external reference voltage
between 2 - 2.8 V providing its ability to sink or source approximately
2.5 mA.
2)
Excluding offset and hysteresis.
Application Domain
•
Industrial
Page 1/3
061004/10
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
LEM [ LEM ]
