Hall Effect Sensor
why choose us
Advanced Equipment
Damping oscillation wave simulation system；SPI；Three Anti - coating Production Line；High and low temperature impact laboratory
Custom Service
We provide different kinds of custom service, along with ODM/OEM service for our clients.
Long Warranty
We offer 12 months warranty for non-man-made products
Global Shipping
We provide reliable global shipping to deliver your order anywhere in the world.
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![DC Current Transducer Hall Effect]()
WBI221LY05-25 adopts the Hall Effect to measure the AC and DC current of the power grid in real time.view more -
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WBI221QN05-20 is a new generation of current sensor developed using the hall effect principle to measure DC, AC, pulse and various irregular waveform currents under galvanic isolation conditions.view more -
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WBI224F21 adopts the principle of electromagnetic induction and hall effect to measure the AC and DC current of the power grid in real time.view more -
![0-5V Out Hall Effect Current Sensor]()
Adopts the principle of electromagnetic induction and hall effect to measure the AC and DC current of the power grid in real time.view more -
![200A 300A Hall Effect Current Transducer]()
WBI224F21 adopts the principle of electromagnetic induction and hall effect to measure the AC and DC current of the power grid in real time.view more -
![AC/DC Current Transducer Split Core]()
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![Hall Effect AC/DC Current Transducer]()
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![AC Current Transducer Split Core]()
WBI222LY05-25 adopts the Hall Effect to measure the AC and DC current of the power grid in real time.view more -
![0-5V Hall Effect Current Sensor Module]()
WBI022F21 adopts the principle of electromagnetic induction and Hall effect to measure the AC and DC current of the power grid in real time.view more -
![Hall Open Loop Current Sensor for Welding Machine]()
A new generation of current sensor developed using the Hall Effect principle to measure DC, AC, pulse and various irregular waveform currents under galvanic isolation conditions.view more -
![DC Current Sensor Hall Effect Sensor]()
WBI221LY05-25 adopts the Hall Effect to measure the AC and DC current of the power grid in real time.view more -
![4 To 20mA Out Hall Effect Current Transducer]()
WBI224F21(4 to 20mA Out Hall Effect Current Transducer) adopts the principle of electromagnetic induction and hall effect to measure the AC and DC current of the power grid in real time.view more
What are features of Hall Effect Sensor
The Hall sensor is a magnetic field sensor fabricated according to the Hall effect. Various Hall elements made by this phenomenon are widely used in industrial automation technology, detection technology, and information processing.
Non-Contact Sensing
As they require no physical contact, they are immune to wear and tear, ensuring a long operational life.
Versatility
They are adaptable for various uses, including linear, rotary, and angular sensing, and can operate across a wide temperature range.
Compact Size
Packaged in small, industry-standard housings like SOT-23 or T92.
Fast Response Time
Suitable for high-speed, dynamic applications like engine crankshaft positioning or wheel speed detection.
How many types Hall Effect Sensor are there?
Linear (Analog) Hall Effect Sensors: Produce a voltage output directly proportional to the magnetic field strength. These are used for measuring distance, position, and current.
Digital Hall Effect Switches: Use a Schmitt trigger to compare field strength against a threshold, turning ON or OFF.
Unipolar Switches: Operate with a single magnetic pole (usually South).
Bipolar Switches: Require a positive (South) pole to operate and a negative (North) pole to release.
Omnipolar Switches: Operate with either magnetic pole (North or South).
Latches: A type of bipolar switch that stays on after a pole is removed, requiring the opposite pole to turn off.
APPLICATION OF HALL EFFECT SENSOR
Automotive
Speed Sensing: Wheel speed (ABS), engine RPM (crank/camshaft).
Position Sensing: Gear shift selectors, seat belt buckles, throttle position.
Current Sensing: Monitoring current in electrical systems.
Industrial Automation & Robotics
Position/Limit Switches: Detecting cylinder extension/retraction, door/guard closures.
Rotary/Linear Encoders: Precise feedback for robotic arms, conveyors.
Motor Control: Commutation in brushless DC motors (BLDC).
Consumer Electronics
Proximity/Lid Sensing: Detecting open/closed states (laptops, smartphones, flip phones).
Joysticks & Controls: Wear-free position detection.
Keyboards: Contactless key press detection.
Home & Appliances
Fluid Levels: Detecting liquid in gas tanks, windshield fluid reservoirs.
Appliance Control: Washing machine drum speed, refrigerator door open/close.
Process of Hall Effect Sensor
Design and Simulation
Assembly and Packaging
Triple Protection (Moisture, Corrosion, and Shock Resistance)
Calibration and Labeling
Testing and Aging
Compliance and Quality Inspection
Sensor R&D Laboratory
Material of Hall Effect Sensor
Silicon (Si)
Commonly used for integrated Hall ICs (sensors with built-in electronics).
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Gallium Arsenide (GaAs)
Frequently used for Hall elements due to good temperature characteristics.
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Indium Antimonide (InSb)
Used for highly sensitive Hall elements.
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Indium Arsenide (InAs)
Used for high-sensitivity Hall elements.
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Graphene
Offers higher sensitivity than silicon due to its single-atom layer, allowing for thinner, more accurate, and more precise sensing.
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How to maintain Hall Effect Sensor
Wipe the sensor housing and any attached heat sinks with a dry, soft cloth to remove dirt, oil, and contaminants that can block heat dissipation.
●Wiring: Check for loose, broken, or corroded electrical connections.
●Air Gap: Ensure the gap between the sensor and the magnetic target (e.g., gear) is within specification, but this varies by model.
●Shielding: Inspect for proper grounding and shielding to minimize electromagnetic interference (EMI).
●Functional Test: Use an oscilloscope or multimeter to verify the signal toggles correctly (e.g., 0V to 5V) while rotating the motor or target.
●Calibration: Perform multi-point calibration (e.g., at -40°Cnegative 40 °C to correct for temperature-induced sensitivity drift.
●Insulation: Measure insulation resistance between input/output terminals and the housing.
●Minimize Mechanical Stress: Avoid applying excessive force to the sensor package or leads, as stress can cause magnetic sensitivity to drift.
●Soldering Precautions: Use ESD-safe, grounded soldering irons. Recommended hand soldering is 350∘C raised to the composed with power for a maximum of 5 seconds.
●Lead Handling: Do not bend leads excessively. If bending or cutting is needed, use proper tools to avoid damaging internal bonds.
●Cleanliness: Ensure PCB and pins are clean for optimal soldering.
How to cooperate with us？
Send us the technical parameters
We kindly request that you provide us with detailed technical parameters of the product, including input, output and power supply.
Production
We start the process of manufacturing, including Assembly and Packaging, Triple Protection (Moisture, Corrosion, and Shock Resistance), Calibration and Labeling, Testing and Aging.
Transportation and usage
The products will be shipped according to your demands and the products must be installed in a right way after you receive the products.
Frequently Asked Questions
Question 1: What is the measurement range and accuracy? Can it meet our actual working conditions?
Answer:Our standard AC/DC current sensors typically cover ranges from 10mA up to 2000A. For example, a common model like the WBI414 series measures AC/DC from 0 to 500A with a ±0.5% FS accuracy at 25°C. Overload capability is usually 1.2 to 2 times the nominal range for short durations. Accuracy is influenced by temperature drift (typically <0.02%/°C) and frequency response (DC to 20kHz for most Hall-effect sensors). To confirm suitability, we need details of your actual waveform, load type (sinusoidal, PWM, etc.), ambient temperature range, and required isolation voltage.
Question 2: Is the installation method compatible with our system?
Answer:We offer split-core (open/close type) and solid-core models. Split-core sensors allow hot installation without breaking the conductor, suitable for retrofitting; accuracy is typically ±1%. Solid-core (through-hole) sensors provide higher accuracy, typically ±0.5%. Mounting options include DIN rail, panel screw, or direct PCB mounting. Dimensions and drawings are available in the datasheet (e.g., standard 37.5mm width for DIN rail). Please confirm your panel cutout size, conductor diameter, and available space for a compatibility check.
Question 3: How does the output signal connect to our PLC/data acquisition device?
Answer:Standard output options include:
Analog: 0-5V, 0-10V, or 4-20mA outputs. Ensure your PLC input impedance matches (e.g., ≥10kΩ for voltage output, ≤500Ω burden for current output).
Digital: RS485 (Modbus RTU) or CAN interfaces, configurable via software.
We provide wiring diagrams and PC configuration tools free of charge. For analog outputs, a 3-wire connection (power, ground, signal) is standard. For digital outputs, typical daisy-chain or star topology is supported.
Question 4: Can it operate stably in harsh environments?
Answer:Standard industrial-grade sensors operate within -25°C to +85°C, with an extended range of -40°C to +105°C available. Temperature drift is typically <±0.05%/°C for high-precision models. Electromagnetic compatibility meets IEC/EN 61000-6-2 (immunity) and 61000-6-4 (emission) standards. Sensors are designed for use in industrial motor drives, renewable energy systems, and railway applications with strong EMI. For extreme conditions, we recommend conformal coating or IP67-rated encapsulated versions.
Question 5: What certifications, lifespan, and warranty do you offer?
Answer:The typical MTBF (Mean Time Between Failures) is >500,000 hours (calculated per MIL-HDBK-217F), with an operational lifespan of >10 years under rated conditions. We provide a standard 12-month warranty from shipment, covering manufacturing defects. Extended warranty up to 36 months is available for bulk contracts.
Question 6: Is the price competitive? Can you customize for bulk orders?
Answer:Our pricing is typically 20-40% lower than major EU/US brands (e.g., LEM, Allegro) while maintaining comparable performance, offering strong import substitution value. For bulk orders (>500 pcs), we provide tiered pricing discounts and support the following customizations:
Measurement Range: Custom scaling (e.g., 0-750A).
Output: Modified voltage/current levels or custom digital protocols.
Mechanical: Modified housing, cable length, connector type, or branding.
Lead Time: Samples in 1-2 weeks, mass production in 4-8 weeks after confirmation.
We're professional hall current sensor suppliers in China, specialized in providing high quality products. We warmly welcome you to buy or wholesale bulk hall current sensor from our factory. For price consultation, contact us.
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