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参数资料
| 型号： | CASR 15-NP |
| 厂商： | LEM USA Inc |
| 文件页数： | 13/18页 |
| 文件大小： | 0K |
| 描述： | SENSOR CURRENT 15A 5V MOD |
| 产品培训模块： | CAS Modules Overview |
| 产品目录绘图： | CAS(R) Series Side |
| 标准包装： | 50 |
| 系列： | CASR |
| 电流 - 感应： | 15A |
| 精确度： | ±0.8% |
| 灵敏度： | 41.67mV/A |
| 传感器类型： | 磁通量闸门 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 输出： | 0 ~ 5 VDC |
| 频率： | 300kHz |
| 响应时间： | 300ns |
| 电极标记： | 双向 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 模块 |
| 包装： | 管件 |
| 产品目录页面： | 2809 (CN2011-ZH PDF) |
| 其它名称： | 398-1092-5 |
CASR series
Performance parameters definition (continued)
V ( t ) + V ( t )
V =
2
● the sensitivity error ε G
Electricaloffset
The electrical offset voltage V OE can either be measured when
the ferro-magnetic parts of the transducer are:
● completely demagnetized, which is difficult to realize,
● or in a known magnetization state, like in the current cycle
shown in figure 30.
Using the current cycle shown in figure 30, the electrical offset
is:
OUT 1 OUT 2
OE
The temperature variation V OT of the electrical offset voltage
V OE is the variation of the electrical offset from 25°C to the
considered temperature:
V OT ( T ) = V OE ( T ) ? V OE ( 25 ° C )
Note: the transducer has to be demagnetized prior to the
application of the current cycle (for example with a
demagnetization tunnel).
10 9 8
Overall accuracy
The overall accuracy at 25°C X G is the error in the - I PN .. + I PN
range, relative to the rated value I PN .
It includes:
● the electrical offset V OE
● the linearity error ε L (to I PN )
The magnetic offset is part of the overall accuracy. It is taken
into account in the linearity error figure provided the
transducer has not been magnetized by a current higher than
I PN .
Response and reaction times
The response time t r and the reaction time t ra are shown in
figure 31.
Both depend on the primary current di/dt. They are measured
at nominal ampere-turns.
I
100 %
90 %
I p
10 %
t r
V OUT
1 2 3
Figure 31: Test connection
t ra
Figure 32: Response time t r and reaction time t ra
t
Page 13/18
8March2012/version 7
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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