magneticparameter-凯发k8国际

tm2800 magnetic shielding cavity

◉ 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.

◉ suitable for calibrating zero drift of magnetometer.
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