Pressure switch

（重定向自Hydraulic pressure switch）

Murphy oil pressure gauges with switches that activate on low pressure

Electronic pressure switch with LED display

A pressure switch is a form of switch that closes an electrical contact when a certain set pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall.

Another type of pressure switch detects mechanical force; for example, a pressure-sensitive mat is used to automatically open doors on commercial buildings.

单词	Hydraulic pressure switch
释义	Hydraulic pressure switch 英语百科 Pressure switch （重定向自Hydraulic pressure switch） A pressure switch is a form of switch that closes an electrical contact when a certain set pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall. Another type of pressure switch detects mechanical force; for example, a pressure-sensitive mat is used to automatically open doors on commercial buildings.
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