Magnaprobe Geomagnetic Field Indicator

 The Mark I Magnaprobe is so sensitive, it even responds to the earth's geomagnetic field.

SKU: 44701
Magnaprobe, Mark I sensitive electro-magnetic field detector

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In the image you can see the response of the Mark I Magnaprobe as it behaves at roughly 44 degree N latitude where the local field strength is about 0.7 Gauss. The actual declination of the earth's magnetic field is approximately 70 degrees but due to friction & inertia, the tilt is only about 30 degrees.

The Mark 1 Magnaprobe is sensitive enough to will respond to even the weakest of our  Permanent Magnets.

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.

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