Magnaprobe Magnetic Pole Detector
The Mark II Magnaprobe is a non-contact, analog device for physics labs to demonstrate the 3D nature of magnetic fields & Q/A applications where pole direction is important;only $10.95.
This is the original UK made Cochranes of Oxford version and is built to last. The copies are half price or less for a reason.
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The Magnaprobe is a fascinating way to demonstrate the three dimensional nature of magnetic fields. It consists of a small alnico bar magnet that is gimbal mounted so that it will freely rotate to map out x, y and z coordinates as you move it around a magnetic source.
Note: Avoid contacting other magnets. If you do so by accident, detach the Magnaprobe by holding its magnet. Do not simply pull back with the handle as you will ruin the device.
Click here for related information or imagesMagnaprobe Knockoff, Magnetic Field Shape, Magnetic Polarity Indicator,
This is the authentic Cochranes of Oxford model made in the UK. Its handle is 3.25mm thick & is virtually indestructible. If it's selling for half our price, it's a knockoff & you get what you pay for!