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for more product details, please call us:0731-84930888
suitable for calibrating zero
drift of magnetometer.
- the shielding frame is made
of high permeability shielding material, which can remove the effect of
geomagnetic field furthest.
- it can be regarded as a standard zero magnetic field over a large area of the central region of the hole.
- supporting radial or axial
probe calibration.
- small, light, exquisite workmanship and easy to carry.