Datasheet

Current Transducer HXS 10-NP/SP3
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).
Electrical data
Primary nominal Primary current, Type
current rms measuring range
I
PN
(A) I
PM
(A)
Serial Parallel Serial Parallel
± 10 ± 20 ± 30 ± 60 HXS 10-NP/SP3
V
OUT
Output voltage (Analog) @ I
P
V
REF
± (0.625·I
P
/I
PN
) V
I
P
= 0 V
REF
± 0.0125 V
V
REF
Reference voltage
1)
-Output voltage 2.5 ± 0.025 V
V
REF
Output impedance typ. 200 Ω
V
REF
Load impedance ≥ 200 kΩ
R
L
Load resistance ≥ 2 kΩ
R
OUT
Output internal resistance < 10 Ω
C
L
Capacitive loading < 1 µF
V
C
Supply voltage (± 5 %) 5 V
I
C
Current consumption @ V
C
= 5 V 22 mA
Accuracy - Dynamic performance data
X Accuracy
2)
@ I
PN
, T
A
= 25°C ≤ ± 1 % of I
PN
ε
L
Linearity error 0.. I
PN
≤ ± 0.5 % of I
PN
.. 3 x I
PN
≤ ± 1 % of I
PN
TCV
OE
Temperature coefficient of V
OE
@ I
P
= 0 ≤ ± 0.4 mV/K
TCV
REF
Temperature coefficient of V
REF
≤ ± 0.01 %/K
TCV
OUT
/ V
REF
Temperature coefficient of V
OUT
/ V
REF
@ I
P
= 0 ≤ ± 0.2 mV/K
TCV
OUT
Temperature coefficient of V
OUT
≤ ± 0.05% of reading/K
V
OM
Magnetic offset voltage @ I
P
= 0,
after an overload of 3 x I
PN
< ± 0.7 % of I
PN
t
ra
Reaction time @ 10 % of I
PN
< 3 µs
t
r
Response time to 90 % of I
PN
step < 5 µs
di/dt di/dt accurately followed > 50 A/µs
V
no
Output voltage noise (DC ..10 kHz) < 20 mVpp
(DC .. 1 MHz) < 40 mVpp
BW Frequency bandwidth (-3 dB)
3)
DC .. 50 kHz
General data
T
A
Ambient operating temperature - 40 .. + 85 °C
T
S
Ambient storage temperature - 40 .. + 85 °C
m Mass 10 g
Standards EN 50178: 1997
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.
Special Feature
• Two separate primary windings for
dual phase measurement
Advantages
• Small size and space saving
• Only one design for wide current
ratings range
• High immunity to external
interference.
• Internal & external reference
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.
Application Domain
• Industrial
I
PN
= 10 A
DUAL PHASE
All Data are given with a R
L
= 10 kΩ
061018/6 www.lem.com
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
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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.
3)
Small signal only to avoid excessive heatings of the magnetic core.