Tel: +86-577-65520898
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Ruian Shunfeng Navigation Instruments Co.,Ltd

Add: No.20, Heping Road, Jinhu Street, Ruian, Zhejiang, China
Con: april Zhang
Tel: +86-577-65520898
Fax: +86-577-65966926
Mob: +8618158321811
Email: sale@rashunfeng.cn


Why does the magnetic compass near the two level be not used normally?

One is that the magnetic difference is too large


The two is that the compass pointer can only be rotated horizontally, while the magnetic line of force near the poles is almost perpendicular to the ground.


Besides the extreme, standing just above the north, every direction is south.