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参数资料
| 型号： | LA 205-S |
| 厂商： | LEM USA Inc |
| 文件页数： | 1/3页 |
| 文件大小： | 0K |
| 描述： | TRANSDUCR CURENT CLOSE LOOP 205A |
| 标准包装： | 45 |
| 系列： | LA |
| 电流 - 感应： | 200A |
| 精确度： | ±0.8% |
| 传感器类型： | 闭环霍尔效应 |
| 电源电压： | ±12 V ~ 15 V |
| 频率： | 100kHz |
| 响应时间： | <1µs |
| 电极标记： | 双向 |
| 工作温度： | -10°C ~ 85°C |
| 封装/外壳： | 模块 |
| 包装： | 托盘 |
Current Transducer LA 205-S
For the electronic measurement of currents: DC, AC, pulsed...,
with galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
16137
Electrical data
I PN = 200 A
Features
I PN
I PM
? P max
R M
I SN
K N
V C
I C
Primary nominal current rms
Primary current, measuring range
Measuring overload 1)
Measuring resistance
with ± 12 V @ ± 200 A max
@ ± 300 A max
with ± 15 V @ ± 200 A max
@ ± 300 A max
Secondary nominal current rms
Conversion ratio
Supply voltage (± 5 %)
Current consumption
200 A
0 .. ± 300 A
600 A
T A = 70°C T A = 85°C
R M min R M max R M min R M max
0 68 0 66 ?
0 33 0 30 ?
5 95 5 93 ?
5 50 5 49 ?
100 mA
1 : 2000
± 12 .. 15 V
20 (@ ± 15 V) + I S mA
● Closed loop (compensated)
current transducer using the Hall
effect
● Isolated plastic case recognized
according to UL 94-V0
● Patent pending.
Advantages
● Excellent accuracy
● Very good linearity
● Low temperature drift
● Optimized response time
● Wide frequency bandwidth
ε
Accuracy - Dynamic performance data
X G Overall accuracy @ I PN , T A = 25°C
L Linearity error
I O Offset current @ I P = 0, T A = 25°C
I OM Magnetic offset current 2) @ I P = 0 and specified R M ,
after an overload of 3 x I PN
I OT Temperature variation of I O - 10°C .. + 85°C
t ra Reaction time @ 10 % of I PN
t r Response time 3) @ 90 % of I PN step
di/dt di/dt accurately followed
BW Frequency bandwidth (- 3 dB)
General data
± 0.8
< 0.1
Typ Max
± 0.15
± 0.50
± 0.15 ± 0.30
< 500
< 1
> 100
DC .. 100
%
%
mA
mA
mA
mA
ns
μs
A/μs
kHz
● No insertion losses
● High immunity to external
interference
● Current overload capability.
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
T A
T S
R S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance
Mass
Standards
@ T A = 70°C
@ T A = 85°C
- 10 .. + 85
- 40 .. + 90
35
37
110
EN 50178: 1997
°C
°C
?
?
g
applications.
Application domain
● Industrial.
Notes :
1)
2)
3)
3 mn/hour @ V C = ± 15 V, R M = 5 ?
The result of the coercive force (Hc) of the magnetic circuit
With a di/dt of 100 A/μs.
Page 1/3
110126/9
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
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