| 摘要 |
A micro switch using magnetic power in a level sensor is provided to extend a lifetime of the level sensor and to improve process efficiency by reducing or minimizing a chattering phenomenon of the micro switch. A micro switch using magnetic power in a level sensor includes an upper plug(110), a lower plug(112), a contact unit(102), a magnet unit, and a lifting and lowering pin. The upper plug and the lower plug supply information of an inflow state of a gas outside. The contact unit electrically connects the upper plug and the lower plug and includes a contact which is not exposed to the air. The magnet unit connects or insulates the upper plug and the lower plug by controlling the contact unit. The lifting and lowering pin lifts and lowers the magnet unit.
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