TWP-W143 Hall effect tester experiment: 1. Measure the relationship between Hall voltage and Hall current of gallium oxide in a constant current magnetic field; 2. Hall current is used to measure the sensitivity of GaAs element under DC magnetic field; 3. Measure the magnetization curve of silicon steel sheet material with GaAs Hall element; 4. Measure the magnetic field distribution of the electromagnet in the horizontal direction. Technical parameters: 1. DC power supply of electromagnet: 0-300mA, continuously adjustable, LCD display; 2. Digital millimeter: range 0-200.0mT, resolution O.lmT, three half LCD display; 3. Digital voltmeter: measuring range 0-199.9mV, resolution O.lmV, three and a half LCD display; 4. Hall current: 0-1.999mA, continuously adjustable; 5. Hall sensor: moving position B-20mm -+20mm, resolution 1mm; 6. Hall element: the maximum working current of hall element shall not exceed 3mA.
experiment: 1. Measure the relationship between Hall voltage and Hall current of gallium oxide in a constant current magnetic field; 2. Hall current is used to measure the sensitivity of GaAs element under DC magnetic field; 3. Measure the magnetization curve of silicon steel sheet material with GaAs Hall element; 4. Measure the magnetic field distribution of the electromagnet in the horizontal direction.