Magnetic Field Viewing Table

SKU: 33745P

$3.95USD or lower Each

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Our plastic viewing table, FieldView™ is the perfect companion for an iron filings magnetic field experiment. The image shows a bar magnet taped to the underside (see inset) while iron filings are sprinkled on top to outline the magnetic field. There is a notch at one corner for the filings to be poured out. 

This setup also works especially well with the Magnaprobe Mark II. Instead of using iron filings, move the Magnaprobe™ around the viewing table, back & forth, top & bottom & watch it map out the 3D structure of the magnetic field.

Note: filings and bar magnet are not included.


How can iron filings be used to map the magnetic field of a bar magnet? The outline of the magnetic field is made clearly visible by the iron filings. With the viewing table in place, the filings are not in direct contact with the bar magnet. Once the experiment is done, the filings can be funnelled out through the notch at the corner.

Best used with Ferrite Bar Magnets.

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Frequently Asked Questions

FAQ for Magnetic Field Viewing Table

The filings will form an arc on either side of the magnet from one end to the other. The filings should be more densely packed near the ends of the bar magnet. If you sprinkle the filings carefully, you should see them trace out distinct lines.

If you use a pair of magnets & move them as shown in our magnetic field petri dish version, the shape of the field can be varied even further.