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Hall pressure sensor

Hall pressure sensors are based on the Hall effect of certain semiconductor materials.The Hall effect refers to the phenomenon that when a solid conductor is placed in a magnetic field and a current passes through it, the charge carriers in the conductor are biased to one side by the Lorentz force, and then a voltage (Hall voltage) is generated.The electric force induced by the voltage balances the Lorentz force. From the polarity of the Hall voltage, it can be confirmed that the current inside the conductor is caused by the movement of negatively charged particles (free electrons).

Applying a magnetic field perpendicular to the current direction on the conductor will cause the electrons in the wire to be gathered by the Lorentz force, thereby generating an electric field in the direction of the electron gathering,This electric field will make the subsequent electrons acted by electricity to balance out the Lorentz force caused by the magnetic field, so that the subsequent electrons can pass smoothly without deviation, which is called the Hall effect.The resulting built-in voltage is called the Hall voltage.

When the magnetic field is an alternating magnetic field, the Hall electromotive force is also an alternating electromotive force of the same frequency, and the time for establishing the Hall electromotive force is extremely short, so the response frequency is high. The material of the ideal Hall element requires high resistivity and carrier mobility in order to obtain a large Hall electromotive force. The materials used for Hall elements are mostly semiconductors, including N-type silicon (Si), indium antimonide (InSb), indium arsenide (InAs), germanium (Ge), gallium arsenide (GaAs) and multilayer semiconductor structure materials, N The Hall coefficient, temperature stability and linearity of silicon-type silicon are all good, and the temperature drift of gallium arsenide is small, and it is widely used at present.

All we do is usually affiliated with our tenet " Buyer to start with, Belief to start with, devoting about the food packaging and environmental defense for China OEM China Macsensor Transmitter Ceramic Hydraulic Oil Water Pressure Sensor, We welcome you to definitely check out our manufacturing unit and look ahead to creating welcoming business relationships with consumers at your home and abroad within the in the vicinity of long run.
China OEM China Pressure Sensor,  Pressure Trasmitter, Excellent quality comes from our adherence to every detail, and customer satisfaction comes from our sincere dedication. Relying on advanced technology and industry reputation of good cooperation, we try our best to deliver more quality solutions and services to our customers, and all of us are willing to strengthen exchanges with domestic and foreign customers and sincere cooperation, to build a better future.

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