Magnetic Field Viewer Card (Pack of 1)

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Price: $3.93    

Product Feature

• Amazing film to view the magnetization pattern of permanent magnets.
• Made with 1.25" wide x 2" tall viewing film & instructions both laminated in 4" wide x 2.5" tall plastic card

Product Description

Magnetic field viewer card shows the magnetization pattern of permanent magnets. Two magnets may look identical but have different magnetization patterns. Place the field viewer directly on permanent magnet to see the multiple Pole, 2-Pole, or conventional magnetization pattern. Also, views magnetization patterns and size of a permanent magnet encased in layer of aluminum or stainless steel.

Magnetic Field Viewer Card (Pack of 1) Review

I assume that due to the plastic and thickness of the card, the thing cannot detect anything short of a pretty strong magnetic field. I have used magnetic field viewers before and they are much more sensitive than this thing.

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