Magnaprobe Geomagnetic Field Indicator
The Mark I Magnaprobe is so sensitive, it even responds to the earth's geomagnetic field.
Current Reviews: 1
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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5 Stars 2018-01-30
I have bought several of these over the years, originally from the British company that makes them, and more recently from this company. I have trouble keeping them because everyone seems to want one. They are indispensable for showing the angle of the magnetic field in three dimensions. It is like a 3 dimensional compass, and very sensitive too. It will even show the vertical angle of the Earth's magnetic field! If your business is magnets, you need one of these.