Characterization instrument

Overview
The Hall effect experimental instrument enables observation of the transverse Hall voltage in a current-carrying conductor placed in a magnetic field, identification of carrier type and concentration, and measurement of magnetic field strength. It is intended for laboratory teaching and research in semiconductor and magnetic measurements.

Instrument components

• Electromagnetic system
• Hall element assembly
• Control and measurement unit
• Dual constant current source
• High-precision voltmeter
• Displacement scale

Product features

• Sensor movable in one dimension
• Directions of excitation current, Hall current and Hall voltage are changeable

Experimental content

• Study of the Hall effect and characteristics of Hall devices

Experimental objectives

• Understand the principles of the Hall effect
• Master methods for measuring Hall voltage and using Hall devices to measure magnetic fields
• Measure output characteristics of Hall devices

Technical specifications

• Electromagnet: Continuously adjustable (0–1300 Gs)
• Excitation current: Continuously adjustable (0–500 mA)
• Hall current: Continuously adjustable (0–5 mA)