Back to products
Contact key
$ 10.11 Original price was: $ 10.11.$ 9.08Current price is: $ 9.08.
Barlows Wheel Apparatus
$ 34.90 Original price was: $ 34.90.$ 34.83Current price is: $ 34.83.
Whatsapp Order
Barlows Wheel Apparatus is a classic physics demonstration device used to illustrate electromagnetic effects, specifically the principles of electric motors and the interaction between magnetic fields and electric current. It consists of a rotating wheel in contact with an electric circuit and a magnetic field, demonstrating motion generated by electromagnetic forces. The apparatus is widely used in educational laboratories to teach fundamental concepts of electromagnetism and motor action, as well as in industrial training for understanding motor components and operation.
Description
Table of Contents
Toggle
Barlows Wheel Apparatus
Primary Use
- Laboratory Applications
- Demonstrates the principles of electromagnetism and motor operation in physics labs.
- Used for educational experiments involving electric currents, magnetic fields, and forces.
- Helps students visualize the interaction between electric current and magnetic fields.
- Employed in practical demonstrations for understanding the working of electric motors.
Secondary Uses
- Industrial Applications
- Used in training sessions for technicians and engineers on motor function basics.
- Applied in prototype development and testing of electromagnetic devices.
- Assists in troubleshooting and understanding motor-related equipment in manufacturing.
- Useful for research and development involving electromagnetic machinery and components.
KEY PRODUCT FEATURES
1.Basic Identification Attributes
- Device Type: Electromagnetic demonstration apparatus
- Components: Rotating wheel, magnetic field source, electrical contacts
- Function: Demonstrates conversion of electrical energy into mechanical motion
2.Physical & Chemical Properties
- Materials: Metal wheel and contacts, insulated wiring, magnets
- Dimensions: Compact size suitable for laboratory tables
- Operation: Requires low voltage DC power supply
3.Safety & Hazard Attributes
- Electrical Risks: Risk of electric shock if handled improperly; use caution
- Mechanical Risks: Moving parts may cause injury; keep hands clear during operation
- Toxicity: Non-toxic materials used
4.Storage & Handling Attributes
- Storage Conditions: Store in dry, dust-free environment
- Handling Precautions: Handle with care to avoid damage to contacts and magnets
5.Regulatory & Compliance Attributes
- Complies with safety standards for educational electrical equipment
- Manufactured under quality control for educational laboratory apparatus
6.Environmental & Health Impact
- Components recyclable; dispose of electronic parts according to regulations
- Minimal environmental impact during normal use
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- Disconnect power before handling or maintenance
- Avoid contact with moving wheel during operation
First Aid Measures
- Electrical Shock: Disconnect power and seek medical help if needed
- Mechanical Injury: Clean wounds and seek medical attention if severe
Firefighting Measures
- Fire Hazard: Low risk; apparatus operates at low voltage
- Extinguishing Media: Use standard fire extinguishers suitable for electrical fires
- Special Precautions: Avoid water on electrical components
Related products
Banana Plug
The Banana Plug is a single-wire electrical connector used to join wires to equipment in testing, measuring, and laboratory applications. It features a cylindrical metal pin with a spring mechanism to ensure a secure and reliable connection. The plug is widely used for quick and easy connections in electronic testing devices, audio systems, and laboratory instruments. Made from high-conductivity metals such as brass or copper and often gold- or nickel-plated for corrosion resistance, the Banana Plug provides consistent electrical conductivity and durability.
clinostat clock type
The Clinostat Clock Type is a precision laboratory instrument designed to simulate microgravity conditions by continuously rotating biological samples or small objects along a horizontal axis. This rotation counteracts the effect of gravity, allowing researchers to study the effects of weightlessness on plant growth, cell cultures, and other biological specimens. Constructed with durable materials and calibrated for smooth, consistent rotation, the Clinostat Clock Type is widely used in botanical, microbiological, and space biology research.
Constantine wire
Constantine Wire is an alloy wire composed primarily of copper, nickel, and zinc, known for its high electrical conductivity, corrosion resistance, and durability. It is widely used in electrical applications requiring reliable conduction and mechanical strength. The wire exhibits excellent resistance to oxidation and mechanical wear, making it suitable for various laboratory and industrial uses.
Contact key
Product Description
The Contact Key is a fundamental switching device used in electrical circuits to manually open or close the flow of current. Commonly used in physics laboratories for demonstration and experimentation with circuits, it enables controlled activation of current for brief or sustained durations. Made from durable, conductive metals with insulating bases, Contact Keys are essential components in circuit testing, timing devices, and low-voltage experimental setups.
Crookes radiometer
The Crookes Radiometer, also known as a light mill, is a scientific apparatus consisting of a glass bulb containing a partial vacuum and a rotor with vanes coated black on one side and white or silver on the other. When exposed to light or radiant energy, the vanes rotate due to differential thermal transpiration, demonstrating principles of gas kinetics and energy conversion. It is commonly used for educational demonstrations of light pressure and thermodynamics.
Glass Rod for Static Electricity
Glass Rod for Static Electricity is a smooth, cylindrical rod made from high-quality glass designed specifically for generating static electricity through friction. Commonly used in physics laboratories and educational demonstrations, this rod serves as a fundamental tool to study electrostatics by producing and transferring electric charges when rubbed with materials like silk or wool. The rod’s chemically resistant, durable glass surface allows repeated use without degradation. It is an essential apparatus for teaching concepts such as charge generation, attraction, repulsion, and the behavior of static electricity in various materials.
Linear expansion apparatus
Linear Expansion Apparatus is a laboratory device used to measure the expansion of materials when heated. It helps in studying the thermal expansion properties of solids by precisely quantifying the change in length as temperature varies. Typically made from durable metals and fitted with precise measurement scales or sensors, this apparatus is essential in physics and materials science labs for investigating thermal behavior of materials.
Model steam engine
A Model Steam Engine is a scaled-down, functional representation of a steam-powered engine used primarily for educational, demonstration, and hobbyist purposes. This apparatus demonstrates the basic principles of thermodynamics, mechanical energy conversion, and steam power operation in a compact, visible form. Typically constructed from metal components such as brass and steel, the model includes key parts like a boiler, piston, cylinder, crankshaft, and flywheel. Steam generated in the boiler expands and pushes the piston, converting thermal energy into mechanical motion that turns the flywheel. Model steam engines are invaluable tools for physics and engineering education, illustrating steam mechanics, energy transfer, and engine operation clearly and tangibly. They are also popular among collectors and model enthusiasts.

Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Fresh Herbs
Ground Spices
Whole Spices
Spice Blends
Dried Herbs
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders