Current Transducer HY7-P
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
= 7.5 A
Electrical data
Primary nominal
r.m.s. current
I
PN
(A)
7.5
Primary current
measuring range
I
P
(A)
±
22.5
Primary
conductor
(mm)
Type
∅
1.0
HY 7-P
Features
V
mA
kV
V
MΩ
V
Ω
kΩ
V
C
I
C
Î
P
V
d
V
b
R
IS
V
OUT
R
OUT
R
L
Supply voltage (± 5 %)
Current consumption
Overload capability (1 ms)
R.m.s. voltage for AC isolation test, 50/60Hz, 1 min
R.m.s. rated voltage, safe separation
Isolation resistance @ 500 VDC
Output voltage @ ±
I
PN
,
R
L
= 10 kΩ,
T
A
= 25°C
Output internal resistance
Load resistance
± 15
± 10
50 x
I
PN
2.5
500
1)
> 1000
±4
100
>1
•
Hall effect measuring principle
•
Galvanic isolation between primary
and secondary circuit
•
Isolation voltage 2500 V~
•
Compact design for PCB mounting
•
Low power consumption
•
Extended measuring range (3 x
I
PN
)
•
Insulated plastic case recognized
according to UL 94-V0.
Accuracy - Dynamic performance data
Advantages
<±1
%
< ± 1 % of
I
PN
< ± 40
mV
< ± 15
mV
± 1.5
mV/K
±3
mV/K
< ± 0.1
%/K
<3
µs
> 50
A/µs
DC .. 50
kHz
ε
X
L
V
OE
V
OH
V
OT
TC
ε
G
t
r
di/dt
f
Accuracy @
I
PN
,
T
A
= 25°C (without offset)
Linearity
2)
(0 .. ±
I
PN
)
Electrical offset voltage,
T
A
= 25°C
Hysteresis offset voltage @
I
P
= 0;
after an excursion of 1 x
I
PN
Thermal drift of
V
OE
Thermal drift of the gain (% of reading)
Response time @ 90% of
I
P
di/dt accurately followed
Frequency bandwidth
3)
(- 3 dB)
•
Easy mounting
•
Small size and space savings
•
Only one design for wide current
ratings range
•
High immunity against external
interference
typ.
max.
Applications
•
General purpose inverters
•
Switched-Mode Power Supplies
(SMPS)
•
AC motor speed control
•
Battery supplied applications
•
Uninterruptible Power Supplies
(UPS)
•
Power supplies for welding
applications.
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
Standards
4)
- 10 .. + 80
- 25 .. + 85
< 14
EN 50178
°C
°C
g
Notes :
1)
2)
3)
4)
Pollution class 2, overvoltage category III
Linearity data exclude the electrical offset.
Please refer to derating curves in the technical file to avoid excessive
core heating at high frequency
Please consult characterisation report for more technical details and
application advice.
981007/3
LEM Components
Tope Co., Ltd.
Tel: (02) 8228-0658
Fax: (02) 8228-0659
http://www.sensor.com.tw
www.lem.com
e-mail: tope@ms1.hinet.net
LEM [ LEM ]
