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Magnetic Field Demonstrator
Magnetic Field Demonstrator (Product Code: SLE/MG/19) is a sealed, transparent acrylic chamber of fluid and fine iron filings, used to make magnetic lines of force visible in physics lessons without loose filings. At 12 cm × 22 cm × 1 cm it lies flat over a magnet or on an overhead projector, making it a demonstration model for the physics lab that a whole class can watch. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Dimensions | 12 cm × 22 cm × 1 cm |
| Case | Transparent acrylic, permanently sealed |
| Contents | Fluid with fine iron filings |
| How it is used | Magnet placed beneath the demonstrator; field lines seen through the clear sides of the chamber |
| Projection | Can be set on an overhead projector to magnify the lines of force |
| Build | Rugged, flat design |
| Product code | SLE/MG/19 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Magnetic Field Demonstrator Used For?
Put a bar magnet on the bench, lay the demonstrator over it, and the iron filings inside line up along the magnet's lines of force, crowding at the poles and curving from one end to the other. Because the filings sit in fluid inside a permanently sealed case, the pattern can be cleared and rebuilt as often as needed: gently tilt or shake the chamber to spread the filings again, then place it over the next arrangement.
Students gain most by trying several set-ups in turn — a single bar magnet, two magnets with like poles facing, two with unlike poles facing, and a horseshoe magnet — and sketching each field. For whole-class teaching, set the demonstrator on an overhead projector: the bright light magnifies the lines of force so they are clear even from the back row.
What to Specify When Ordering
- The number of demonstrators — one for the teacher's overhead projector, or one per bench group
- Any bar or horseshoe magnets you want quoted with it, since a magnet is placed beneath the demonstrator in use
- The delivery city or port for the quotation
OEM Manufacturer
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, the OEM that builds the Magnetic Field Demonstrator at its own licensed factory at Saha, Ambala, Haryana, India. The company is a registered MSME manufacturer (Udyam UDYAM-HR-01-0003714), and its export consignments are shipped under Importer-Exporter Code AAECJ8618A issued by the DGFT.
Schools, colleges, dealers and importers buy the demonstrator factory-direct, so repeat orders and questions about the product go straight to the people who make it. More about us is on the company profile page.
Related Magnets
Magnets and aids to use with the Magnetic Field Demonstrator:
- Economy Alnico Bar Magnets — bar magnets to place beneath the demonstrator.
- Steel Horseshoe Magnet — shows the concentrated field between two close poles.
- Magnetic Field Tube — follows up with a three-dimensional view of a field.
- Compass Plotting (Clear) — confirms the direction of the field lines.
The Magnets category lists more magnets and magnetism apparatus.
Frequently Asked Questions
What size is the Magnetic Field Demonstrator?
The Magnetic Field Demonstrator measures 12 cm × 22 cm × 1 cm. Its slim, flat shape lets it rest over a magnet on a bench or sit on the glass of an overhead projector so the whole class can see the field.
Does the Magnetic Field Demonstrator come with a magnet?
The Magnetic Field Demonstrator is listed as the sealed chamber only, and it is used with a magnet placed beneath it. Add bar or horseshoe magnets to your quotation, or ask us through the contact page to confirm what is packed.
Why is it cleaner than iron filings on paper?
The Magnetic Field Demonstrator holds fine iron filings in fluid inside a permanently sealed acrylic case, so no filings spill on benches or stick to magnets, nothing needs sweeping up, and the same unit can be used lesson after lesson.
Can the demonstrator be used on an overhead projector?
Yes. The Magnetic Field Demonstrator is designed to be set on an overhead projector, where the bright light magnifies the lines of force and shows them clearly to a full classroom, including students seated at the back.
Who manufactures the Magnetic Field Demonstrator?
The Magnetic Field Demonstrator is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM, at its own licensed factory in Saha, Ambala, Haryana, India, and supplied factory-direct to schools, colleges, dealers and importers.
What should I include in a quotation request?
For the Magnetic Field Demonstrator, state the number of units, any magnets to be quoted with it and the delivery city or port. ScienceLab supplies single schools, dealers and bulk institutional orders in India and international markets.
Request a Quote
Prices for the Magnetic Field Demonstrator are quoted direct by the manufacturer. Send your quantity and delivery details through our contact page, or add the demonstrator to the enquiry cart along with your magnets.
Last updated: 24 September 2026
