Coreless Coil Current Transducer
RH 100 .. 1000-S
For the electronic measurement of currents: AC, pulsed, mixed, with
a galvanic isolation between the primary circuit (high power) and the
secondary circuit (electronic circuit).
I
PN
= 100 .. 1000 A
Electrical data
Primary nominal
r.m.s. current
Type
Features
•
•
•
•
V
V
kV
mA
MΩ
KΩ
No magnetic core
Rogowski Coil principle
Highly accurate integration circuit
Voltage output
I
PN
(A)
100
200
500
1000
RH 100-S
RH 200-S
RH 500-S
RH 1000-S
V
OUT
V
C
V
d
I
C
R
IS
R
L
Output voltage(r.m.s) @ ±
I
PN
,
R
L
= 10 kΩ,
T
A
= 25°C
Supply voltage (± 5 %)
R.m.s. voltage for AC isolation test, 50/60Hz, 1 mn
Current consumption
Isolation resistance@ 500 V DC
Load resistance
4
±15
> 2.5
15
> 500
≥
100
Advantages
•
•
•
•
•
•
Wide sensing range
Wide frequency range
Quick response
No hysteresis error
No insertion impedance
Small size and lightweight
Accuracy-Dynamic performance data
ε
L
V
OE
V
OT
TC
ε
G
t
r
f
Linearity (0 .. ±
I
PN
)
Electrical offset voltage,
T
A
= 25°C
Thermal drift of
V
OE
Thermal drift of the gain (% of reading)
Response time @ 90% of
I
P
Frequency bandwidth (±3 dB)
≤
±0.5 % of
I
PN
±5
mV
≤
±0.3
mV/K
±0.03
%/K
1
µs
20Hz .. 100KHz
Applications
•
Observing complicated current
•
•
•
•
•
•
•
waveforms
High speed and high current
sensing such as IGBT
Welding
Power unit
Electric power regulator
Discharge tube
Antenna
Monitoring for irruptive current
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
Min. internal creepage distance/clearance
-10 .. +75
°C
-15 .. +80
°C
45
g
ø20±0.5 m m
Notes :
031020/0
LEM Components
www.lem.com
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