Beijiafu P+F Inductive Approach Switch Supplier

Beijiafu P+F Inductive Approach Switch Supply

A proximity switch is a position switch that can be operated without direct mechanical contact with moving parts. When an object approaches the sensing surface of the switch to a certain distance, the switch can be activated without any mechanical contact or pressure, thereby driving DC electrical appliances or providing control instructions to computer (PLC) devices. A proximity switch is a switch type sensor (i.e. a contactless switch) that combines the characteristics of a travel switch and a micro switch, as well as sensing performance. It has reliable action, stable performance, fast frequency response, long application life, strong anti-interference ability, and is waterproof, shockproof, and corrosion-resistant. The products include inductive, capacitive, Hall, AC, and DC types.

A proximity switch, also known as a contactless proximity switch, is an ideal electronic switch sensor. When the metal detector approaches the sensing area of the switch, the switch can quickly issue electrical commands without contact, pressure, or sparks, accurately reflecting the position and stroke of the moving mechanism. Even for general stroke control, its positioning accuracy, operating frequency, service life, ease of installation and adjustment, and adaptability to harsh environments cannot be compared to general mechanical stroke switches. It is widely used in industries such as machine tools, metallurgy, chemical engineering, textiles, and printing. In automatic control systems, proximity switches can be used as limit, counting, positioning control, and automatic protection links. They are position switches that can be operated without direct mechanical contact with moving parts. When an object approaches the sensing surface of the switch to the action distance, the switch can be activated without mechanical contact or pressure, thereby driving DC electrical appliances or providing control instructions to computer (PLC) devices. A proximity switch is a switch type sensor (i.e. a contactless switch) that combines the characteristics of a travel switch and a micro switch, as well as sensing performance. It has reliable action, stable performance, fast frequency response, long application life, strong anti-interference ability, and is waterproof, shockproof, and corrosion-resistant. The products include inductive, capacitive, Hall, AC, and DC types.

A proximity switch, also known as a contactless proximity switch, is an ideal electronic switch sensor. When the metal detector approaches the sensing area of the switch, the switch can quickly issue electrical commands without contact, pressure, or sparks, accurately reflecting the position and stroke of the moving mechanism. Even for general stroke control, its positioning accuracy, operating frequency, service life, ease of installation and adjustment, and adaptability to harsh environments cannot be compared to general mechanical stroke switches. It is widely used in industries such as machine tools, metallurgy, chemical engineering, textiles, and printing. In automatic control systems, it can be used as a limiting, counting, positioning control, and automatic protection link

Capacitive proximity switch

The measurement of this type of switch usually involves one electrode of the capacitor, while the other electrode is the outer shell of the switch. This casing is usually grounded or connected to the device casing during the measurement process. When an object moves towards a proximity switch, regardless of whether it is a conductor or not, its proximity always causes a change in the dielectric constant of the capacitor, resulting in a change in capacitance and a change in the state of the circuit connected to the measuring head. This allows for the control of the switch's on or off state. The objects detected by this proximity switch are not limited to conductors, but can also be insulating liquids or powders.

Hall proximity switch

Hall element is a type of magnetic sensitive component. A switch made using Hall elements is called a Hall switch. When a magnetic object moves closer to the Hall switch, the Hall element on the switch detection surface generates the Hall effect, causing a change in the internal circuit state of the switch, thereby identifying the presence of a magnetic object nearby and controlling the on or off of the switch. The detection object of this proximity switch must be a magnetic object.

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Beijiafu P+F Inductive Approach Switch Supply