55505-01-04-A

Series:	55505
Part Status:	Obsolete
Output Type:	Digital
Type:	Hall Effect Sensor
Actuator Material:	Ferrous Metals, Gear Tooth
Termination Style:	Wire Leads
Frequency:	15kHz
Voltage - Supply:	4.75 V ~ 25.2 V
Must Operate:	--
Must Release:	--
Operating Temperature:	-40°C ~ 125°C (TA)
Package / Case:	Flange Mount

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## Introduction Magnetic sensors are some of the most important components of any system, providing critical feedback in a broad range of applications. Magnetic sensors are generally categorized according to their primary function: position, proximity, speed, or modules. This article provides a detailed overview of a specific type of position and proximity-based magnetic sensor: the 55505-01-04-A. It will explain the practical applications of the 55505-01-04-A magnetic sensor, as well as how it works on a technical level. ## Design The 55505-01-04-A magnetic sensor is about the size of a AA battery and is encased in an IP68 rated enclosure for maximum protection in the field. The sensor consists of a magnet and a reed switch, as well as a Hall Effect IC, LEDs, and other components. Off-axis and axes-oriented mounting holes allow for easy mounting. This sensor is well-suited for applications in which precise, reliable sensing of magnetic fields is required. ## Applications The 55505-01-04-A magnetic sensor can be used in a wide variety of applications. The active sensing technology of the 55505-01-04-A allows for precise detection of magnetic fields even in harsh environments. This makes the sensor ideal for applications such as security or access control, gate and door openers, motor starters, and industrial control. The sensor can also be used in automotive applications such as door or window detectors, auto-locking systems, and accident detection systems. In addition, the sensor can be used in medical applications such as embedded systems for patient monitoring and health diagnostics.The 55505-01-04-A magnetic sensor is also well-suited to applications in robotics, motion detection systems, and various home appliance applications such as motion detection, light switch control, and low-temperature sensing. ## Working Principle The 55505-01-04-A magnetic sensor is a two-part system composed of a magnet and a reed switch. When the magnet is near the sensor, the reed switch is activated. The Hall Effect IC of the sensor is then able to detect the magnetic field, convert it into an electrical signal, and then pass it along to the next processing level. The Hall Effect IC is sensitive to changes in the magnetic field, allowing for the 55505-01-04-A to detect multiple states of the magnetic field.The LED on the sensor also helps to indicate when the magnetic field is present, and the LEDs can be adjusted to indicate changes in the magnetic field. This allows for the 55505-01-04-A to be used in applications such as security systems, motion detectors, motor starters, and medical systems. ## Power The 55505-01-04-A magnetic sensor operates on a nominal power source of 3 - 12V DC at 5mA. The sensor can operate from a low voltage power source of 3V DC, but it does require an additional signal from a low voltage power supply of 24V DC and 1mA for optimal performance. The sensor features an on-board regulator, so it is capable of regulating its own power consumption to match the power source. ## Conclusion The 55505-01-04-A magnetic sensor is an ideal solution for applications in which precise, reliable sensing of magnetic fields is required. Its active sensing technology allows for optimal performance in even the harshest environments. The 55505-01-04-A is well-suited for a variety of applications, including security or access control, gate and door openers, motor starters, industrial control, automotive applications, medical applications, robotics, motion detection systems, and various home appliance applications. With a nominal power source of 3 - 12V DC at 5mA, the sensor is suitable for a wide range of power sources.

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