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产品分类： 霍尔传感器
产品说明： LFA-B51系列开环型霍尔电流传感器的初 、次级之间是绝缘的 ，用于控制 、测量直流 、交流和脉冲电流 。 LFA-B51 Series current sens...
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LFA-B51系列开环型霍尔电流传感器的初 、次级之间是绝缘的 ，用于控制 、测量直流、交流和脉冲电流 。
LFA-B51 Series current sensor is a open loop device based on the measuring principle of the hall effect, with a galvanic isolation between primary and secondary circuit. It provides accurate electronic measurement of DC, AC or pulsed currents
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电参数 Electrical data( Ta=25 ℃ ± 5 ℃,R L =2K Ω,C L =10000PF) |
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型号 Type
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LFA100B51 |
LFA200B51 |
LFA400B51 |
LFA500B51 |
LFA600B51 |
LFA800B51 |
LFA1000B51 |
LFA2000B51 |
单位 Unit |
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额定输入电流(Ipn)
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± 100 |
± 200 |
± 400 |
± 500 |
± 600 |
± 800 |
± 1000 |
± 2000 |
A |
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测量电流范围(Ip)
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± 300 |
± 400 |
± 800 |
± 1000 |
± 1200 |
± 1600 |
± 2000 |
± 3000 |
A |
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额定输出电压
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@Ip= ± Ipn ±4±1% |
V |
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电源电压
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±15±5% |
V |
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功耗电流 Power Consumption |
+18,-10 |
mA |
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零点失调电压
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@Ip=0 ≤15 |
mV |
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磁失调电压
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@Ip=±Ipn ≤±30 |
mV |
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失调电压温漂
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@ -40～+85℃≤±0.5 |
mV/℃ |
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输出电压温漂
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@ -40～+85℃≤±0.5 |
mV/℃ |
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线性度
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@Ip=0-±Ipn ≤1 |
%FS |
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响应时间
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@50A/μS, 10%-90% ≤5 |
μS |
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绝缘电压
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@ 50HZ,AC,1min 5.0 |
KV |
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总体参数 General date |
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数值 Value |
单位 Unit |
符号 Symbol |
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工作温度 Operating temperature |
- 40 to +8 5 |
ºC |
TA |
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储存温度 Storage temperature |
- 40 to +125 |
ºC |
TS |
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毛重(约) Mass (approx) |
218 |
g |
M |
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特性图Characteristics chart |
脉冲电流信号响应特性 抗脉冲电压干扰特性
Pulse current signal response characteristic Effects of impulse noise
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使用说明 Directions for use |
1. 当待测电流从传感器穿过 ，即可在输出端测得电压大小 。(注意：错误的接线可能导致传感器损坏)
When the current will be measured goes through a sensor,the voltage will be measured at the output end.
(Note: The false wiring may result in the damage of the sensor)
2. 传感器的输出幅度可根据用户需要进行适当调节 。
Customs can adjustoutput amplitudeof the sensorby needs.
3. 可按用户需求定制不同额定输入电流和输出电压的传感器。
Custom design in thedifferent ratedinput current and the output voltage are available.
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l UL94-V0.
l EN60947-1:2004
l IEC60950-1:2001
l EN50178:1998
SJ 20790-2000
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结构参数 Mechanical dimension(for reference only) |
Remarks：
1. All dimensions are in mm.
2. General tolerance ±1mm.
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应用 Applications |
l 变频调速系统
V ariable speed drives
l 电焊机
Welding machine
l 通讯电源
Battery supplied applications
l 不间断电源UPS
Uninterruptible Power Supplies (UPS)
l 电化学
Electrochemical
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