I want to measure H, not B
The magnets in question are permanent magnets (large Neo or SmCo magnets), not coils
=====================....Steel
____........................____
|..N..|........................|..S..|
|..S..|........................|..N..|
-------------------------------|
|...............very.................|
|......high permeability......|
|............material..............|
--------------------------------
^^^^^ Magnetic circuit ^^^^^
How can I determine the magnetic field intensity or the mmf of the magnets?
The measurement needs to be something I can actually do, not some giant set of Helmholz coils in outer space