The Refurbished ALCO e/m Bar Magnet Apparatus (Thomson’s Method) is a precision educational physics instrument designed to determine the charge-to-mass ratio (e/m) of the electron using Thomson’s method. It is widely used in physics laboratories, engineering colleges, universities and educational institutions for demonstrating one of the fundamental experiments in electron physics.

The apparatus incorporates a cathode ray tube (CRT), focusing and deflection controls, accelerating voltage measurement and bar magnet arrangement to accurately study electron beam deflection under magnetic fields. It enables students to understand the principles of electromagnetism, electron motion and classical physics through hands-on laboratory experiments.

This professionally refurbished unit has been inspected, cleaned and tested to ensure dependable laboratory performance while providing a cost-effective alternative to purchasing new educational laboratory equipment.

Applications

The Refurbished ALCO e/m Bar Magnet Apparatus (Thomson’s Method) is suitable for:

Physics Laboratories
Engineering Colleges
University Physics Departments
Educational Laboratories
Electronics Laboratories
Quantum Physics Demonstrations
Electron Beam Experiments
Electromagnetism Studies
Undergraduate Physics Experiments
Postgraduate Physics Laboratories
Technical Institutes
Science Colleges
Laboratory Demonstrations
Experimental Physics
Engineering Education
Educational Research
Practical Electronics Training
Scientific Education
Laboratory Skill Development
Physics Teaching Laboratories

Key Features

Designed for e/m determination using Thomson’s Method
Integrated Cathode Ray Tube (CRT) interface
Built-in accelerating voltage meter
Electron beam focusing control
Deflection control adjustment
X-shift positioning control
Reverse polarity switch
Stable laboratory performance
Compact bench-top design
Durable educational construction
Professionally refurbished and tested

Technical Specifications

Specification	Details
Brand	ALCO
Model	e/m Bar Magnet Apparatus
Experimental Method	Thomson’s Method
Product Type	Physics Laboratory Instrument
Measurement	Electron Charge-to-Mass Ratio (e/m)
Display	Analog Voltage Meter
Controls	Focus, Deflection, X-Shift, Intensity
CRT Connection	Available
Installation	Bench Top
Condition	Refurbished

Instrument Features

Electron beam focusing adjustment
Accurate accelerating voltage monitoring
Stable electron beam control
Magnetic field experimentation
Precision laboratory measurements
Durable laboratory design
Easy experimental setup
Reliable educational performance
Compact laboratory footprint
Low maintenance requirements

Benefits

The Refurbished ALCO e/m Bar Magnet Apparatus (Thomson’s Method) enables students to experimentally determine the charge-to-mass ratio of an electron, providing a practical understanding of electron dynamics and electromagnetic theory. Its precision controls and reliable operation make it ideal for educational laboratories and engineering institutions.

Choosing a refurbished instrument significantly reduces laboratory equipment costs while maintaining dependable performance for academic teaching, demonstrations and experimental research.

Why Choose Refurbished?

Each Refurbished ALCO e/m Bar Magnet Apparatus (Thomson’s Method) undergoes professional inspection, cleaning and functional testing before shipment. Refurbished laboratory equipment provides dependable performance, excellent value and supports sustainable laboratory operations by extending the service life of quality scientific instruments.

Additional Information

This refurbished ALCO e/m Bar Magnet Apparatus has been professionally inspected and tested before dispatch. CRT tube, bar magnets, connecting leads, accessories, manuals and documentation may vary depending on stock availability. Buyers should verify included accessories before purchase.

Refurbished Condition

This is a Refurbished ALCO e/m Bar Magnet Apparatus (Thomson’s Method). The instrument has been professionally inspected, cleaned and functionally tested to ensure reliable educational laboratory performance. CRT assemblies, bar magnets, connecting cables, accessories, manuals and documentation may vary depending on stock availability. Buyers should verify the included accessories and laboratory compatibility before purchase.

Electron Beam Experiment

Refurbished ALCO e/m Bar Magnet Apparatus (Thomson’s Method)