Magnetic Field Line Tube STEM Lab Manufacturer,Supplier and Exporter in India

Product Code : SCL-M-12519

Break away from flat, two-dimensional textbook illustrations and let your students experience magnetism in full 3D with the Magnetic Field Line Tube STEM Lab, manufactured and supplied by Educational Instrument India. This advanced educational instrument is engineered to provide a mesmerizing, clear, and comprehensive view of magnetic field configurations surrounding different magnetic topologies.

Ideal for primary school science labs, high school physics classes, and university STEM centers, this lab kit turns the invisible forces of electromagnetism into a highly visible, tangible reality.

Product Description & Scientific Principles

The Magnetic Field Line Tube STEM Lab by Educational Instrument India consists of a completely sealed, shatterproof transparent acrylic cylinder or matrix workspace filled with a specialized, high-viscosity formulation of clear silicone fluid. Suspended uniform particles of ferromagnetic micro-filings are distributed evenly throughout this fluid.

The tube features a central hollow chamber or an external guide rail that allows users to insert various permanent magnets. Because the fluid slows the gravitational settling of the metal particles, they remain suspended in a three-dimensional space, responding dynamically to magnetic fields.

The Physics in Action (E-A-T Authoritative Overview)

When a permanent magnet is introduced into the apparatus, each individual ferromagnetic particle acts as a tiny magnetic dipole. The external magnetic field vector exerts a magnetic torque on these dipoles:

This mechanical torque instantly aligns the longitudinal axes of the particles parallel to the localized magnetic flux lines. Students can trace continuous vector loops mapping directly from the North pole to the South pole, vividly demonstrating magnetic field density, spatial divergence, and inverse-square field dissipation.

Product Specifications

How to Use It: Step-by-Step Guide

To achieve perfect 3D field visualizations and prolong the lifespan of your apparatus, follow these instructions:

Homogenize the Suspension: Before inserting any magnet, gently invert or shake the Magnetic Field Line Tube multiple times. This redistributes the settled iron particles uniformly throughout the high-viscosity fluid.

Insert the Primary Magnet: Slowly slide the included Alnico bar magnet or NdFeB cylinder magnet into the central dry-well sleeve located at the core of the cylinder.

Observe the Alignment: Watch as the randomized filings immediately begin to rotate and chain together. Within a few seconds, a pristine, three-dimensional web of magnetic flux lines will form around the contours of the magnet.

Analyze Field Gradient Dynamics: Observe how the concentration of lines is dense at the poles (high magnetic field strength) and diverges symmetrically as the distance from the magnet increases.

Comparative Exploration: Withdraw the bar magnet and insert the cylindrical magnet. Observe how changing the shape and orientation of the magnetic source instantly reshapes the physical geometry of the field lines.

Reset: Remove the magnet and give the tube a gentle shake to reset the particles for the next classroom demonstration.

Storage Precaution: Never store the instrument with a magnet left inside the central chamber. Over time, this will permanently magnetize the internal micro-filings, causing them to clump together permanently and compromising future experimental accuracy.

Frequently Asked Questions (FAQs)

Q1. Why is a viscous fluid used inside the tube instead of air?

Ans: In air, iron filings instantly clump together and crash to the bottom of the container due to gravity. The specialized high-viscosity silicone fluid balances gravitational forces, allowing the particles to hover in place long enough to form an authentic, undisturbed 3D field structure.

Q2. Is the internal fluid safe if the tube accidentally breaks?

Ans: Yes. Educational Instrument India utilizes a non-toxic, cosmetic-grade silicone oil matrix that is safe to handle. However, the casing is built from heavy-duty, high-impact polycarbonate designed specifically to resist fracturing during accidental drops in a classroom setting.

Q3. Can we use our own external magnets with this STEM lab?

Ans: Absolutely! You can place any strong external magnet against the outer walls of the tube to observe how external field interactions, attraction, or magnetic repulsion affect the internal configuration of the lines.

Q4. What maintenance is required for this product?

Ans: No specialized maintenance is required. Simply wipe the outer transparent acrylic shell with a soft microfiber cloth to prevent smudges and scratches. Avoid using abrasive chemical solvents or exposing the tube to temperatures above 50°C.