Open loop (direct measuring) Hall current sensor

FS-LB Open loop (direct measuring) Hall current sensor

This product is a current sensor, which is an open-loop current sensor developed by the principle of electromagnetic induction. In the case of galvanic isolation of the primary and secondary sides, current signals in the form of DC, AC and pulses can be accurately measured. Low power consumption, small size, excellent frequency response characteristics.

Description

Advantages

Parameters

Selection

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产品描述 /Product Description

                         

               

·        低噪声Low noise

·        良好的线性Good linearity

·        小型的PCB安装方式Compact PCB mounting,

·          Low hysteresis

·        具有良好的过流能力It has good overcurrent capability

·        变频器Frequency converters

·        直流供电设备DC power supply equipment

·        数控机床CNC machine tools



电参数/Electrical characteristics


型号

Type

FS050LB

FS100LB

FS150LB

FS200LB

FS300LB

FS400LB


IpN

原边额定输入电流

Primary nominal input current

50

100

150

200

300

400

A

Ip

原边电流测量范围

Measuring range ofprimary current

0~±150

0~±300

0~±450

0~±500

0~±600

0~±600

A

VsN

副边额定输出电压

Nominal output voltage

4±1%



V

Vc

电源电压

Supply voltage

±12~±15(±5%)



V

Ic

电流消耗

Current consumption

Vc =±15V                       <15



mA

Va

绝缘电压

Insulation voltage

在原边与副边电路之间2.5KV有效值/50Hz/1分钟

2.5KV RMS /50Hz/1 min between primary and secondary side circuits




e L

线性度

Linearity

<1



%FS

V

零点失调电压

Offset voltage

TA=25℃                        40



mV

Vow

磁失调电压

Residual voltage

Ip→0                          40



mV

Vor

失调电压温漂

Thermal drift of V0

Ip=0 TA=-25+85℃             2



mV/℃

Tr

响应时间

Response time

≤3



μ s

f

频带宽度(-3dB)

Frequency bandwidth(-3dB)

DC50



kHz

TA

工作环境温度

Ambient operating temperature

-40+80



Ts

贮存环境温度

Ambient storage temperature

-40+85



RL

负载电阻

Load resistance

≥10K



Ω


标准

Standard

GI/FS-0105





外形尺寸(mm)/Dimensions of drawing(mm)

使用说明/Remarks

1.错误的接线可能导致传感器损坏。传感器通电后,当被测电流从传感器箭头方向穿过,即可在输出端测得同相电压值。Incorrect wiring may cause damage to the sensor. After the sensor is powered on, when the measured current passes through the arrow direction of the sensor, the in-phase voltage value can be measured at the output end.

2.传感器的输出幅度可根据用户需求进行适当的调节。

The output amplitude of the sensor can be adjusted according to the user 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。

Sensors with different rated input current and output voltage can be customized according to user requirements.


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Shanghai Freesor Sensor Technology Co. ,Ltd. was founded in 2005 by a number of overseas returnees with rich experience. It is a high-tech enterprise integrating design, research and development, production and sales.

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