Hall Probe

The Hall Probe Manufacturer!

Dexing Magnet is a large enterprise with excellent quality and perfect service in the international magnetometer and machinery industry.

Why choose us

Professional Team

It has a group of experienced technicians and managers in the magnetometer and magnetic industries.

Our Product

Vibrating Sample Magnetometer, Hall Effect System, Gauss Meter, Flux Meter, Electromagnets, Helmholtz Coils, Magnetizers, Magnetic Material Property Testing Systems

Production Market

At present, the Dexinmag company has established cooperative relations with many schools and institutions at home and abroad for more than 30 years, such as Singapore Polytechnic University, Caltech, University of Hong Kong, etc.

Customized service

Equipment quality Reliable, electrical components and hydraulic transmission components are imported from Japan's Mitsubishi and Italy, and can provide qualified products and good after-sales service.

Orientation and Mounting Considerations

A Hall probe's configuration and positioning in a magnetic field are crucial to its optimal functioning. Primarily, the Hall element, being a 2-dimensional structure, is highly sensitive and delivers the most accurate readings when arranged perpendicular to the B field direction. The orientation matters; for instance, in a specific arrangement, the probe reads a positive field. Flip the orientation, and you get a negative field reading.
For precise measurements, it's essential that the probe's sensitive area is well within the magnetic field you're examining. Be mindful of potential fringe field curvature, which could influence your readings.
Moreover, if your field comprises substantial AC components, the probe's mounting structure must be non-conductive. This precaution helps prevent inaccuracies in your measurements due to eddy currents. This way, you ensure the integrity of your data and the efficacy of your Hall probe.

The types of hall probe

Axial probe
Axial probe, usually circular, with a testing area of one millimeter at the front end; Mainly suitable for space magnetic field, surface magnetic measurement, or alternating pulse magnetic field measurement; Featuring high linearity, low temperature coefficient, high stability, and high repeatability; Multiple standard sizes available for customization of length, width, and thickness; Magnetic field measurement probes can also be customized for special fields, such as high temperature, low temperature, or high frequency.

Transverse probe
Transverse probe, usually rectangular, with a testing area of one millimeter at the front end; Mainly suitable for space magnetic field, surface magnetic measurement, or alternating pulse magnetic field measurement; Featuring high linearity, low temperature coefficient, high stability, and high repeatability; Multiple standard sizes available for customization of length, width, and thickness; Magnetic field measurement probes can also be customized for special fields, such as high temperature, low temperature, or high frequency.

2D hall probe
The probe length can be customized; Customizable array probes
Temperature sensors can be installed inside the probe
Combination display probe
The three-dimensional probe of gallium arsenide Hall devices is mainly suitable for measuring spatial magnetic fields, surface magnetism, or alternating pulse magnetic fields; Multiple standard sizes available for customization of length, width, and thickness; Magnetic field measurement probes can also be customized for special fields, such as high and low temperatures.

Key Components of Hall Probe Design

Semiconductor Material: Hall probes are typically made from semiconductor materials such as indium antimonide (InSb), gallium arsenide (GaAs), or silicon (Si). These materials are chosen for their sensitivity to magnetic fields and their ability to generate Hall voltage.

Geometry: The geometry of the Hall probe, including its thickness and area, affects its sensitivity and measurement range. A thinner probe will yield a higher sensitivity but may have limitations in high magnetic field environments.

Electrical Contacts: The design includes electrical contacts to connect the probe to external circuitry. These contacts should be designed to minimize noise and ensure accurate voltage readings.

Temperature Compensation: Since the Hall effect is temperature-dependent, effective designs incorporate temperature compensation mechanisms to maintain accuracy under varying environmental conditions.

Deliver, Shipping And Serving

Delivery Time

We promise to complete production and shipment within 7 working days after receiving the order.

Transportation

Professional packaging and safe transportation methods are used to ensure the safety of the equipment during transportation.

After-sales service

We provide comprehensive after-sales service, including equipment installation guidance, operation training, maintenance and so on. Meanwhile, we have a 24-hour customer service hotline to answer your questions at any time.

FAQ

Q: Does a hall probe use the Hall effect to measure the size of magnetic fields?

A: A Hall probe uses the Hall effect to measure the size of magnetic fields - it does this by measuring the potential difference across the electric field created by the displacement of charge. A specific Hall probe calibrated to read 0.75 µV when placed in a 1.75 T field is placed in a 1.25 T field.

Q: What is the Hall effect probe meter?

A: The Hall Effect Meter is a calibrated digital meter for measuring the strength of an applied magnetic field. A calibrated sensor probe is placed normal to the surface being examined and responds to the magnetic field tangential to that surface.

Q: Why is a Hall probe made from silicon rather than copper?

A: Generally, the carrier density in metals is very large, so the Hall coefficient of metal materials is very small, and the Hall effect is not obvious; The density of carriers in semiconductors is much smaller than that of metals, so the Hall coefficient of semiconductors is much larger than that of metals, which can ...

Q: How does Hall voltage develop?

A: The Hall effect is the deflection of electrons (holes) in an n-type (p-type) semiconductor with current flowing perpendicular to a magnetic field. The deflection of these charged carriers sets up a voltage, called the Hall voltage, whose polarity depends on the effective charge of the carrier.

Q: What does a hall probe consist of?

A: A Hall probe consists of a copper strip, n=8.5×1028 n = 8.5 × 10 28 electrons per cubic meter, which is 2.0 cm wide and 0.10 cm thick.

Q: What is the warranty period of hall probe?

A: The hall probe is fragile article, which is not belonged to the warranty scope.

Q: What is the production time of the hall probe?

A: The production time of hall probe is 2 weeks.

Q: What materials are commonly used for Hall probes?

A: Common materials include indium antimonide, gallium arsenide, and silicon.

Q: Where are Hall probes typically used?

A: They are used in magnetic field sensing, current measurement, and position sensing in various industries.

As one of the leading hall probe manufacturers and suppliers in China, we warmly welcome you to buy customized hall probe from our factory. All equipment are with high quality and competitive price.

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