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Yueqing Heyi Electrical Co., Ltd.

Hall Effect Sensor, Hall Sensor, Miniature Hall Effect Sensor manufacturer / supplier in China, offering High Accuracy (B201 Series) Closed Loop Mode Hall Effect Current Sensor for Power Supplies for Welding Applications, Ce RoHS Split Core Current Transformer Manufacturer Flexible Low Voltage CT for Energy Monitoring, Top Sell Three Phase Power Capacitor for Capacitor Battery and so on.

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Supplier Homepage Product Hall Effect current sensor Closed Loop Hall Effect Current Sensor/Transmitter High Accuracy (B201 Series) Closed Loop Mode Hall Effect Current Sensor for Power Supplies for Welding Applications

High Accuracy (B201 Series) Closed Loop Mode Hall Effect Current Sensor for Power Supplies for Welding Applications

FOB Price: US $6.1-8.1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $6.1-8.1/ Piece
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Production Capacity: 5000PCS/Month
Transport Package: Green Plastic Film
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: B201
  • Output Signal Type: Analog Output
  • Material: Plastic
  • Application: Switching Power Supply
  • Certification: ISO
  • Model: B201 Series
  • Power Consumption: Less Than 20+Ipx(Np/Ns) Ma
  • Offset Current: @IP=0 +-0.15 Ma
  • Response Time: Less Than 1
  • Bandwidth: @ -3db 0~200kHz
  • Trademark: HEYI
  • Origin: Liushi, Yueqing, Zhejiang Province, China
  • Type: Hall Type
  • Production Process: SemiConductor Integrated
  • Accuracy Grade: 0.5G
  • IP Rating: IP65
  • Customized: Customized
  • Supply Voltage: +-12V, +-15V
  • Turns Ratio(Np/Ns): Details Below
  • Linearity: Less Than 0.1
  • Galvanic Isolation: @ 50Hz,AC,1min 2.5kv
  • Courier: DHL, TNT, FedEx
  • Specification: CE, ISO, Rohs
  • HS Code: 8542390000
Product Description
B201 series current sensor is a closed loop device based on the measuring principle of the hall effect and null balance method, with a galvanic isolation between primary and secondary circuit. It provides accurate electronic measurement of DC, AC or pulsed currents.

Electrical data (Ta=25ºC±5ºC)
Rated current(Ipn)10203040A
Measure range(Ip)20406080A
Turns ratio(Np/Ns)1:10001:10001:10001:1600T
Measure resister 1230±0.1%594±0.1%467±0.1%420±0.1%Ω
Rated output10202525mA
Coil resister43434390Ω
Supply voltage±1215V
Power Consumption20+ IpX(Np/Ns)mA
Offset current@Ip=0                     ±0.15mA
Offset drift@ -40~+85ºC              ≤±0.5mA
Linearity @Ip=0-±Ipn                0.1%FS
Total precision ≤±0.7%
di/dt accurately followed>50A /μS
Response time@100A/μ S,10%-90%        500ns
Galvanic isolation@ 50HZ,AC,1min             2.5KV
Bandwidth@ -1db                    DC~200KHZ
·AC variable speed drives
·Static converters for DC motor drives
·Battery supplied applications
·Uninterruptible Power Supplies (UPS)
·Switched Mode Power Supplies (SMPS)
·Power supplies for welding applications

1. All dimensions are in mm.
2. General tolerance ±1mm.
3. Elucidation:  1:+15V  2: -15V  3:I0UT
Directions for use
1. When the current will be measured goes through a sensor, the current will be measured at the output end.(Note: The false wiring may result in the damage of the sensor)
2. Custom design in the different rated input current and the output current are available.
·SJ 20790-2000
General date

Operating temperature(TA)-40 to +85ºC
Storage temperature(TS)-40 to +125ºC
Mass(approx) (M)10g

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