Helmholtz Coils with Track and Compass

The Helmholtz Coils apparatus provides a practical setup for generating and investigating controlled magnetic fields produced by a pair of current-carrying circular coils. The arrangement is particularly useful for studying the conditions required to obtain a substantially uniform magnetic field between two coils.

The apparatus consists of two matched coils mounted coaxially on a precision track. When current passes through the coils in the appropriate direction, their individual magnetic fields combine to produce a resultant field in the region between them.

A key feature of the apparatus is the adjustable separation between the coils. The coils can be moved along the track, allowing experiments to investigate how changing their spacing influences the strength and uniformity of the magnetic field.

Micro Technologies supplies the apparatus with a precision compass approximately 50 mm in diameter. The compass is mounted so that it can move along the track between the coils, enabling magnetic-field direction to be investigated at different positions.

The magnetic field produced by each coil depends on factors including the current flowing through the winding and the number of turns in the coil. By maintaining suitable experimental conditions and varying selected parameters, the relationship between electrical current and magnetic-field behaviour can be investigated.

The movable compass provides a convenient way to examine the field throughout the space between the coils. Observations can be taken at different positions to compare the central field region with locations closer to either coil.

The adjustable track also enables users to identify the coil separation that provides the most useful uniform-field region for the particular apparatus. This makes the system more versatile than fixed-position coil arrangements.

The Helmholtz Coils apparatus can be combined with a suitable controlled DC power supply and compatible electrical measuring instruments for quantitative investigations involving coil current, magnetic-field direction, coil spacing, and field uniformity.

Its adjustable dual-coil configuration, precision track, and movable compass make the apparatus a versatile solution for magnetism and electromagnetism laboratory experiments.

Features

• Matched pair of Helmholtz coils
• Coaxial coil arrangement
• Precision track mounting
• Adjustable distance between coils
• Generates a substantially uniform magnetic field
• Movable precision compass included
• Compass diameter approx. 50 mm
• Compass can move between the coils
• Allows investigation of magnetic-field direction
• Supports coil-spacing experiments
• Suitable for current versus magnetic-field investigations
• Open experimental configuration
• Reusable laboratory apparatus

Benefits

• Demonstrates the principle of Helmholtz coil operation
• Adjustable coil spacing enables comparative experiments
• Movable compass allows field investigation at multiple positions
• Helps identify regions of relatively uniform magnetic field
• Supports investigation of current and magnetic-field relationships
• Precision track maintains controlled coil positioning
• Provides convenient access to the space between the coils
• Suitable for qualitative and quantitative magnetic-field experiments

Product Specifications

Applications

• Helmholtz coil experiments
• Uniform magnetic-field investigations
• Effect of coil spacing on magnetic field
• Magnetic-field direction experiments
• Current versus magnetic-field investigations
• Field variation along the coil axis
• Electromagnetism experiments
• Comparison of magnetic fields at different positions
• Magnetic compass deflection experiments

Available Variants

• MT-41176 – Helmholtz Coils with Track & Precision Compass
• MT-41176B – Helmholtz Coil Pair, approx. 300 mm diameter
• Adjustable Helmholtz Coil Apparatus
• Uniform Magnetic Field Investigation Apparatus
• Customized configurations for bulk requirements

SKU System

• MT-HC-41176 – Helmholtz Coils with Track
• MT-HC-COMP – Configuration with Precision Compass
• MT-HC-ADJ – Adjustable Coil Separation Configuration
• MT-HC-TRACK – Precision Track Configuration
• MT-HC-CUS – Customized Configuration

FAQs

What are Helmholtz Coils used for?

Helmholtz Coils are used to generate and investigate a substantially uniform magnetic field in the region between two appropriately arranged circular coils.

How many coils are provided?

The apparatus consists of a matched pair of circular coils.

Can the distance between the coils be changed?

Yes. The coils are mounted on a track, allowing their separation to be varied during experiments.

Why is adjustable coil separation useful?

Changing the separation allows the effect of coil spacing on magnetic-field distribution and uniformity to be investigated experimentally.

Is a compass included with the apparatus?

Yes. A precision compass approximately 50 mm in diameter is supplied.

Can the compass be moved between the coils?

Yes. The compass is mounted so that it can travel along the track between the two coils.

What does the compass measure or indicate?

The compass provides a visual indication of magnetic-field direction and can be used to observe changes in the resultant field at different positions.

How is the magnetic field produced?

When electric current flows through the two coils, each coil generates a magnetic field. With appropriate coil orientation and current direction, the fields combine in the central region.

What factors affect the strength of the magnetic field?

The magnetic field depends on factors such as coil current, number of turns, coil dimensions, spacing, and measurement position.

Can the magnetic field be varied?

Yes. The field can be varied by adjusting the current with a suitable power supply and by changing the coil separation.

Does the apparatus require an external power supply?

Yes. A suitable controlled electrical supply is required to energize the Helmholtz coils.

What is the difference between MT-41176 and MT-41176B?

MT-41176 uses an adjustable track arrangement with a movable precision compass, while MT-41176B is a fixed pair of large Helmholtz coils with specified coil dimensions and electrical characteristics.

Can Helmholtz Coils be supplied in bulk?

Yes. Micro Technologies can supply Helmholtz Coil apparatus in bulk for laboratories, universities, colleges, research facilities, scientific equipment distributors, and institutional procurement.

Why Choose Our Products

• Matched Helmholtz coil pair
• Adjustable coil separation
• Precision track construction
• Approx. 50 mm movable compass
• Suitable for uniform-field investigations
• Supports field mapping at different positions
• Versatile experimental configuration
• Bulk supply available

Call to Action

Investigate uniform magnetic fields with greater flexibility using the Helmholtz Coils from Micro Technologies. Contact us for competitive quotations, bulk procurement, distributor requirements, institutional orders, and complete magnetism and electromagnetism laboratory equipment solutions