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Yueqing Heyi Electrical Co., Ltd.

Hall Effect Sensor, Hall Sensor, Miniature Hall Effect Sensor manufacturer / supplier in China, offering Miniature Hall Effect Sensor (B7) for Uninterruptible Power Supplies, 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 Miniature Hall Effect Sensor (B7) for Uninterruptible Power Supplies

Miniature Hall Effect Sensor (B7) for Uninterruptible Power Supplies

FOB Price: US $4.1-5.1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $4.1-5.1/ 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.: B7
  • Output Signal Type: Analog Output
  • Material: Plastic
  • Application: Switching Power Supply
  • Certification: ISO
  • Model: B7-05ATb7-10ATb7-15ATb7-20ATb7-25ATb7-30A
  • Power Consumption: Less Than 25mA
  • Offset Voltage Drift: @ -40~+85degree Less Than +-0.5 Mv/Degree
  • Response Time: Less Than 1
  • Courier: DHL, TNT, FedEx
  • Specification: CE, ISO, Rohs
  • HS Code: 8542390000
  • Type: Hall Type
  • Production Process: SemiConductor Integrated
  • Accuracy Grade: 0.5G
  • IP Rating: IP65
  • Customized: Customized
  • Supply Voltage: +-12V, +-15V
  • Turns Ratio(Np/Ns): 1-2-3-4:1000 T
  • Linearity: Less Than 0.1
  • Galvanic Isolation: @ 50Hz,AC,1min 2.5kv
  • Trademark: HEYI
  • Origin: Liushi, Yueqing, Zhejiang Province, China
Product Description
B7 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)51015202530A
Measure range(Ip)102030405060A
Turns ratio(Np/Ns)5:25003:30002:30001:20001:25001:3000T
Internal resister400400400400400400Ω
Size of input pins¢0.6¢0.8¢1.0¢1.4¢1.4¢1.6mm
Rated output@Ip=±Ipn ±4±0.5%V
Supply voltage±12V,±15VV
Power Consumption≤25mA
Zero offset voltage@Ip=0 ≤±30mV
Offset voltage drift@ -40~+85ºC ≤±0.5mV /ºC
Linearity@Ip=0-±Ipn ≤0.1%FS
Response time@50A/μS,10%-90% ≤1μS
Galvanic isolation@ 50HZ,AC,1min 2.5KV


·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

Directions for use

1. 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. Custom design in the different rated input current and the output voltage are available.

·SJ 20790-2000
General date

Operating temperature (TA)-40 to +85ºC
Storage temperature(TS)-40 to +125ºC
Mass(approx) (M)15g

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