AH183-PL-A

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Proximity sensors in the form of magnetic switches, such as the AH183-PL-A, are devices designed to detect the presence of an object or person without requiring physical contact. Magnetic switches detect changes in the field created by a Ferromagnetic material, such as steel, by either reading the changes in voltage, flux or inductance created by it. When positioned within the field of a magnetic material, the switch will detect the presence of the magnetic material and change its state accordingly.

AH183-PL-A is a sub-type of Hall-effect switch which uses a GMR (Giant Magneto-Resistance) sensing element to convert a variable magnetic field density into an electrical signal. By placing two GMR sensing elements in a parallel arrangement, a differential output is created, which in turn is used to activate an internal power transistor.

The AH183-PL-A is an extremely robust switching device, which utilizes a diaphragm made of copper, nickel and steel with an operating temperature range of -40°C to +100°C and is suitable for use in harsh environments and corrosive atmospheres. It is also endowed with a 5kV ESD (electro-static discharge) protection feature to safeguard against any high EM (electromagnetic) radiation.

This device is widely used in a variety of applications where reliable switching is required without physical contact. One such field is fluid flow detection, where the AH183-PL-A can be used to detect the presence of liquid in a flow line without requiring actual contact with the liquid. For this application, the AH183-PL-A can be mounted within the casing of the flow line and calibrated to switch when a certain flow rate of liquid is detected. This type of usage is especially beneficial in applications that require monitoring and control of fluid flow, such as automotive cooling systems.

Another interesting usage is in security applications, where the AH183-PL-A can be used to detect the presence of an unauthorized intruder. To perform such a task, the AH183-PL-A can be mounted to a door or window and calibrated to sense the presence of a magnet placed on the body of an intruder. The AH183-PL-A can then be configured to trigger an alarm or playback of an audio message, warning the unauthorized person to leave the vicinity.

In addition to fluid flow detection and security application usages, AH183-PL-A is also widely used in control systems as a proximity switch. This method is used to sense the presence of nearby objects or surfaces and activate an associated circuit, such as a servo motor or a door latch. This type of usage is found in robotics and automation systems, where a robot arm could be controlled by an AH183-PL-A to move from one point to another, in a controlled manner. This is also useful in congested areas, such as factories and industrial zones, where physical contact between objects is impractical or impossible.

The AH183-PL-A is an example of a modern magnetic switch which utilizes a robust GMR sensing element to provide reliable switching performance. It can be used in a wide range of fields, from fluid flow detection and security applications to control systems and robotics. It is an ideal choice for situations where robust performance and accuracy are required without physical contact.

The specific data is subject to PDF, and the above content is for reference