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Product Catalog: |  |
Hall Effect Measurement System
| DX-50 Hall Effect System | DX-100 Hall Effect System | DX-3000 Hall Effect System |
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Main technical indicators:
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Main technical indicators:
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◆ Using plug-sample cards, easy to install; ◆ One standard configuration can simultaneously measure two samples, 4 samples can be measured simultaneously by adding optional devices; ◆ Resistance measurement range: 0.1mΩ～100GΩ(High voltage and impedance system); ◆ Different Hall effect and resistance measurements under different current and magnetic field; ◆ Testing and calculation process performed automatically by the software, which gives the intermediate data and the curve at the same time.It will save you a lot of time; ◆ System provides high stability of the magnetic field for a long time,zero magnetic field can be smoothed; ◆ Electromagnet power supplybuilt in precision Gauss Meter, high field control speed; ◆ Choosing low-temperature device,Hall effect and resistance measurements can be performed at different temperatures. |
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Product Detail: | |
Hall Effect System
(normal temperature type, high temperature type, low temperature type)
The essence of the Hall effect: When the carriers in the solid material move in the applied magnetic field, the trajectory shifts due to the Lorentz force, and charge accumulation occurs on both sides of the material, forming an electric field perpendicular to the current direction; Finally, the Lorentz force of the carrier is balanced with the electric field repulsion, thus establishing a stable potential difference on both sides, that namely the Hall voltage.
According to a large number of studies, it is revealed that not only negatively charged electrons but also positively charged holes are involved in the conductive process of the material. However, students' understanding of hole conduction is often relatively empty. Therefore, a variable temperature Hall effect test system is designed for the experiments of senior students in the physics department, material department, electronics department and other related departments. The Hall effect system has been improved several times, fully considering the cost performance and the safety requirements of the student experiment, and is extremely suitable for experimental teaching. It has the following characteristics:
◆ Use high sensitivity standard samples. The Hall voltage is high, and the measurement can be completed with a 5 and a half microvoltmeter. Therefore, the cost of the measurement system is greatly reduced.
◆ The reversible permanent magnet is specially developed for this experiment, and its cost is low, the use is safe, and the magnetic pole commutation is intuitive and convenient.
◆ The measuring system is concentrated on one instrument, which is easy to operate and convenient to wire.
◆ It comes with an N-type low temperature resistant Hall sheet, which has been calibrated near room temperature and can be used to measure magnetic fields.
◆ The system comes with a number of different sample welding sample plates. This instrument system involves a relatively rich teaching experiment content in the student experiment.
The variable temperature Hall effect experiment has been included in the low temperature and solid physics experiments of modern physics experiments. The Hall effect equipment produced by our company is suitable for wide temperature range. The selected standard sample is a typical P-type semiconductor at low temperature; It is a typical N-type semiconductor at room temperature; The hall voltage signal to be measured is strong, but the requirement for magnetic field strength is not high; It is easy to use, and cost-effective, and welcomed by modern physics laboratories. In the student experiment, it has the following characteristics:
▲ Students can move the stage to make the Hall device in a field-free condition to observe how an actual experimental sample is mounted and soldered, and observe its unequal coefficient.
▲ Observe the relationship between distance and magnetic field when moving into a magnetic field.
▲ Observe the whole process of increasing Hall voltage output with increasing magnetic field under electromagnetic field, and change the influence of constant current source on Hall output.
▲ Switching the effect of the constant current source polarity on the Hall output; Change the effect of electromagnet polarity on Hall output.
▲ Apply a calibrated Hall plate to measure the central or other magnetic field of a commutating permanent magnet.
▲ Understand temperature measurement and temperature coefficient of temperature change.
At the same time, the Hall effect setup can be extended for scientific research. That is, the lead of a random sample can be used for scientific research by replacing it with a user sample.
We offer a wide range of Hall devices for teaching and research.
Test sample display for Hall Effect Measurement System：
Hysteresis Graph Test System
