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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, Three Phase Current Transformer D363 50-600A 3 in 1 Combined Cts, Kct-24 Split Core CT Clamp Current Transformer with Earthphone Plug 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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