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A proximity sensor is a non-contact component, designed to detect the presence or absence of a nearby object without any physical contact. Due to their non-contact nature, they are ideal for working with unstable or delicate objects that could otherwise be damaged by touch.

Proximity sensors work by detecting a change in the electromagnetic field or return signal, referred to as a target. Different sensors are used depending on the specific target being identified. Proximity sensors have a prolonged lifespan as they work on a non-contact operation basis. You can find out more here in our [useful guide to proximity sensors](https://uk.rs-online.com/web/content/discovery/ideas-and-advice/proximity-sensors-guide).

There are various types of proximity sensors for use across different applications. Here are some of the common types of proximity sensors.

### Capacitive Proximity Sensors

Capacitive sensors can detect various shapes and materials, even through non-metallic walls. They are suitable for use with conductive and non-conductive materials and are found in applications with close-range tasks such as touchscreens, liquid level detection and the detection of objects.

### Inductive Proximity Sensors 

Inductive proximity sensors can detect the presence or absence of metallic objects without physical contact. They do this by generating an electromagnetic field through an oscillating circuit. Any ferrous metal object, including aluminium, copper, brass, and iron, trigger a change in the output signal, which indicates the presence of a metallic object. They are robust and suitable for using in harsh environments. Commonly used in applications such as metal detecting, position sensing, as well as automation.

### Ultrasonic Proximity Sensors

Ultrasonic sensors emit and receive high-frequency sound waves that can be reflected or absorbed by objects within their range. These sensors are ideal for high-speed and long-distance measurements, such as wind speed, fluid level, and speed through air or water. As well as being used for distance measurement, they are also used for presence detection and obstacle avoidance.



Browse our broad range of Proximity Sensors. Inductive Sensors, Capacitive Sensors & Ultrasonic Sensors. Place your order today for our Proximity Sensors. Fast Delivery.

Proximity Sensors | Inductive Proximity Sensors | RS

Proximity Sensors

Eaton Inductive Barrel-Style Proximity Sensor 15 mm Detection 15 →...

Eaton Inductive Barrel-Style Proximity Sensor 25 mm Detection 15 →...

RS PRO Mounting Bracket for Use with M4 → M18 Proximity Sensors

Omron Inductive Barrel-Style Proximity Sensor 10 mm Detection 10 →...

Sick Inductive Barrel-Style Proximity Sensor 8 mm Detection 10 → 30 V, IP67

Sick Inductive Barrel-Style Proximity Sensor 20 mm Detection 10 →...

Sick CM30 Series Capacitive Barrel-Style Capacitive sensor 2 → 16...

Buy from our selection of proximity sensors from Bradley. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

Bradley Proximity Sensors | RS Components

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Baumer Proximity Sensors | RS

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Eaton Proximity Sensors | RS

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Panasonic Proximity Sensors | RS

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Turck Ultrasonic Proximity Sensors | RS

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Inductive Proximity Sensors | Sensors | RS

<p>Inductive proximity sensors are used to detect or measure a metal object coming into their sensing range without any direct contact with the object itself. They work on a principal of electromagnetic induction, by emitting an electromagnetic field and measuring any output changes. </p><h2>Where are Inductive Proximity Sensors Used?</h2><p>They are used in a wide range of industrial applications for tasks such as object detection, positioning and automation. These sensors are extremely reliable, can be used in a variety of environmental conditions and have a good service life. </p><h2>Applications for an Inductive Proximity Sensor</h2><p>Due to the diverse applications of Inductive Sensors, they are ideal in many industrial settings. Just a few areas are mentioned below.</p><ul><li>Object Detection: to detect the presence or absence of metallic objects within manufacturing, as well as counting and positioning on assembly lines and conveyor systems.</li><li>Automotive Industry: For the detection of parts during assembly, monitoring conveyor systems and controlling robotic arms in welding and assembly processes.</li><li>Robotics: Inductive proximity sensors are used for object detection, obstacle avoidance and robot positioning, enabling robots to perform with accuracy.</li><li>Packaging: Helps to eliminate any metallic components and ensures proper packing and keeps the production lines running.</li><li>Door and Barrier Control: Automatic gates and doors can be operated using inductive sensors by detecting the presence of a vehicle, reducing congestion at entry and exit points.</li></ul><h2>What Conditions can I use an Inductive Proximity Sensor?</h2><p>Substances that are non-metallic do not interfere with detection. Therefore, an inductive proximity sensor can be used in wet and dirty conditions as there is no direct contact with the target.</p>

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Omron Proximity Sensors | RS

<p>Proximity sensors (sometimes shortened to 'Prox Sensors') might be the ultimate "does what it says on the tin" component. In the simplest sense, they detect the proximity of an object and cause a reaction to any change. But it does of course go deeper than that. For a start, they can detect not just the proximity but also the presence or absence of media and any changes of this. They also provide high-speed detection thanks to their non-contact properties. Different types of proximity sensor can detect metallic and non-metallic objects including water, resin and powders.</p><p>With a very wide operating temperature of -50°C to 100°C they can be used for a variety of applications including:</p><ul><li>Industrial manufacturing</li><li>Robotics</li><li>Security systems</li><li>Mobile devices</li><li>Automation systems</li></ul><p>They are often employed to increase safety, accuracy and efficiency in agriculture, food processing and supply chain industries, but can be employed anywhere these factors are of importance.</p><h2>Why Choose OMRON Proximity Devices?</h2><p>Because they are "non-contact" components, proximity sensors are known for their prolonged lifespan. When purchasing a part that you want to be reliable over an extended period of time it's important to be using the very best. OMRON are a leading global manufacturer of electrical components and specialise in bringing innovation to industrial automation. Since 1933, they have been one of the names to trust in technology.</p><h2>OMRON Proximity Detector Ranges</h2><h3>E2E-Next Proximity Sensors</h3><p>The E2E-Next sensor range is the future of inductive sensors - available today! They have been thoroughly tested and are proven to offer exceptional sensing range. This means you can standardise installation of sensors without having to worry about collision or false detection stopping or slowing your systems. 3 wire models feature Thermal Distance Control 2 which eliminates ambient temperature influence. With a host of other features, these compact sensors are at home in a variety of locations.</p><h3>E2K Flat Proximity Devices</h3><p>These flat capacitive sensors are ideal when space is tight. E2K sensors can be used to detect a wide range of objects and are perfect for level detection and monitoring. Handily, they can also be directly mounted onto a metallic surface.</p><h3>E2A Barrel Style Proximity Detection Sensors</h3><p>The E2A range has an option to suit all applications. Shielded and non-shielded variants are available in a choice of body materials, cables and connections. Options with sensing ranges from 2-30mm can be supplied. These sensors use a specialised manufacturing process to ensure high-quality output and a long life.</p>

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Turck Proximity Sensors | RS

<p>Designed to withstand harsh environments, Turck Proximity Sensors provide exceptional durability and longevity, ensuring uninterrupted operation in the toughest conditions. Whether it's detecting metallic or non-metallic objects, Turck Proximity Sensors deliver exceptional accuracy and responsiveness, enabling seamless automation processes.</p><p>Equipped with a wide sensing range, these sensors offer versatility and adaptability, making them suitable for a range of industries, from manufacturing and logistics to automotive and robotics. Their compact design and easy installation ensure hassle-free integration into existing systems, minimizing downtime and maximizing productivity.</p><p>Experience unmatched reliability and efficiency with Turck Proximity Sensors, where innovation meets precision. Trust in their unrivalled performance to optimize your operations, streamline processes, and drive success. Discover the future of object detection technology with Turck Proximity Sensors today.</p>

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Banner Proximity Sensors | Proximity Sensors |RS

<p>Banner proximity sensors, also known as proximity switches or proximity detectors, are electronic devices used to detect the presence or absence of an object within a certain range or proximity. These sensors are commonly used in industrial automation and control systems for various applications, such as object detection, position sensing, and machine safety.</p><h2>Why Choose Banner Proximity Sensors?</h2><p>Banner Engineering is a well-known, trusted manufacturer of industrial sensors, including proximity sensors. RS offer a range of Banner proximity sensors that utilize different technologies to detect objects within their proximity.</p><h2>Where are Banner Proximity Sensors Used?</h2><p>Banner proximity sensors are designed to provide reliable and accurate object detection within industrial environments. They are typically used in automated machinery, conveyor systems, packaging lines, material handling equipment, and other applications where object detection is critical for both efficient and safe operation.</p><h2>Types of Banner Proximity Sensors</h2><ul><li><strong>Inductive Proximity Sensors</strong>: Inductive sensors use electromagnetic fields to detect the presence of metal objects within their sensing range. These sensors are widely used in industrial applications due to their robustness, durability, and ability to operate in harsh environments.</li><li><strong>Capacitive Proximity Sensors</strong>: Capacitive sensors detect the presence of any object, including non-metallic materials, by sensing changes in the capacitance of a sensing area. They are commonly used for level sensing, liquid detection, and detecting solid objects such as plastics, glass, and paper.</li><li><strong>Ultrasonic Proximity Sensors</strong>: Ultrasonic sensors emit ultrasonic waves and measure the time it takes for the waves to bounce back after hitting an object. This technology is suitable for detecting a wide range of materials, including solids, liquids, and powders.</li><li><strong>Photoelectric Proximity Sensors</strong>: Photoelectric sensors use light beams to detect the presence or absence of an object. They emit a beam of light and detect the presence of an object based on changes in the light intensity or interruption of the beam. Photoelectric sensors are available in different variants such as diffuse, retro-reflective, and through-beam sensors.</li></ul>

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Turck Capacitive Proximity Sensors | RS

<p>Turck Capacitive Proximity Sensors offer advanced sensing technology for diverse industrial applications. These sensors excel in detecting a wide range of materials, from liquids to solids, providing reliable and accurate performance. With their robust design and cutting-edge features, Turck Capacitive Proximity Sensors ensure precise detection and contribute to the efficiency and productivity of your industrial processes. Trust Turck for state-of-the-art capacitive sensing solutions tailored to meet your specific needs.</p>

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Turck Inductive Proximity Sensors | RS

<p>Turck Inductive Proximity Sensors are cutting-edge devices designed to enhance your industrial automation processes. With their advanced technology, these sensors deliver reliable and precise detection of metallic objects without physical contact. Crafted with the highest standards of quality, Turck's sensors ensure durability and longevity in the most demanding industrial environments. Elevate your automation game with these state-of-the-art inductive proximity sensors, providing efficiency and accuracy in object detection. Trust Turck for a seamless integration of technology into your industrial operations.</p>

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Banner Ultrasonic Proximity Sensors | RS

<p>Introducing Banner's Ultrasonic Proximity Sensors – cutting-edge technology for unparalleled object detection. These sensors boast exceptional accuracy and reliability, making them ideal for a myriad of industrial applications. With advanced features such as precise distance measurement and reliable detection of various materials, Banner Ultrasonic Proximity Sensors redefine efficiency in automation. Elevate your operational prowess with these state-of-the-art sensors, ensuring a seamless and dependable performance in your industrial processes. Choose Banner for innovation that goes beyond expectations.</p>

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Festo Proximity Sensors

<p>Browse our range of Festo proximity sensors here. Engineered with cutting-edge technology and a commitment to excellence, Festo sensors redefine the standards of accuracy and durability in the realm of automation. Whether you're optimising manufacturing processes or enhancing operational efficiency, Festo proximity sensors offer unparalleled control and performance, ensuring seamless operation across diverse applications.</p><p><strong>Features & Benefits</strong></p><ul><li><strong>Precision Detection:</strong> Festo proximity sensors utilise advanced technology for accurate detection, ensuring precise control over machinery and processes.</li><li><strong>Highly durable:</strong> Built to withstand harsh industrial environments, Festo sensors are rugged and durable, offering long-lasting performance.</li> <li><strong>Flexible Integration:</strong> With various mounting options and compatibility with different systems, Festo sensors can be easily integrated into existing automation setups.</li><li><strong>Wide Range of Applications:</strong> From manufacturing to automotive industries, Festo proximity sensors cater to diverse application needs with versatility and reliability.</li></ul>

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Ultrasonic Proximity Sensors | Sensors | RS

<p>Ultrasonic proximity sensors are used to detect the presence of objects within a certain range limit. They can measure the distance of a wide range of objects regardless of shape, colour, or surface texture. RS offer an extensive selection of high-quality Ultrasonic Proximity Sensors from industry-leading brands including, BALLUF, Baumer, Carlo Gavazzi, Pepperl & Fuchs, SICK, ifm electronic, and of course RS PRO.</p><h2>How do Ultrasonic Proximity Sensors Work?</h2><p>An ultrasonic proximity sensor works by measuring the distance to an object using ultrasonic sound waves. The sensor uses a transducer to send and receive ultrasonic pulses that relay messages back about the specific object proximity.</p><h2>What are the Features and Benefits of Ultrasonic Proximity Sensors?</h2><ul><li><strong>Non-Contact Detection</strong>: Detection of objects without the need for physical contact, minimising wear, and tear as well as damage to the sensor.</li><li><strong>Increased Efficiency</strong>: Provide real time object detection leading to reduced downtime and improved workflows and efficiency.</li><li><strong>Cost Effective</strong>: Relatively low cost, but very effective.</li><li><strong>Ease of Integration</strong>: Easy to install and to integrate into existing systems and equipment.</li><li><strong>Wide range of Applications</strong>: Ultrasonic sensors are found in a diverse range of applications and industrial fields.</li></ul><h2>Where are Ultrasonic Sensors Used?</h2><p>Ultrasonic proximity sensors are commonly used in various applications due to their versatility and effectiveness in detecting objects without physical contact. These are some common areas where they are used:</p><ul><li>Industrial Automation</li><li>Robotics</li><li>Automotive</li><li>Security Systems</li><li>Medical Devices</li><li>Traffic Management</li></ul><p>Ultrasonic proximity sensors offer a combination of features and benefits that make them a preferred choice for many applications requiring reliable and accurate object detection.</p>

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IFM Proximity Sensors | Sensors | RS

<p>IFM specialise in manufacturing sensors and control systems for industrial applications. IFM sensors are used in a wide range of industrial applications to detect the presence or the absence of an object without the need for physical contact.</p><h2>Why choose an IFM Proximity Sensor?</h2><p>IFM are renown for their high quality and their reputable, versatile products. They offer a wide range of proximity sensors, designed, and manufactured to withstand harsh environments, without compromising their consistently accurate performance.</p><h2>Where are IFM Proxy Sensors used?</h2><p>IFM proximity sensors are used in manufacturing, automotive, picking and packing as well as across other industrial areas, they are specifically used for tasks such as position sensing, object detection, level sensing and counting.</p><h2>What are the advantages of choosing an IFM Proximity Sensor?</h2><ul><li>High quality and reliable sensors, improving efficiency and safety within processes.</li><li>IFM proximity sensors are equipped with the latest technology making them flexible and customised to meet specific requirements.</li><li>These sensors are designed and manufactured to withstand being used in harsh industrial environments.</li><li>Easy to integrate into existing industrial automated systems.</li><li>Accurate performance and efficiencies.</li><li>Wide range of options depending upon your specific application.</li></ul>

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Sick Proximity Sensors | Sensors | RS

<p>Sick proximity sensors are manufactured for industrial automation applications. The sensors are designed to detect the presence, absence, or distance of objects. Sick proximity sensors come in various types and are suited to specific environments and application types.</p><h2>Where are Sick Proximity Sensors Used?</h2><p>Sick proximity sensors can be used in a wide range of industrial applications. Here are a few of these as well as numerous others: -</p><ul><li><strong>Manufacturing</strong> – detection on assembly lines, correct alignment of parts and monitoring conveyor systems for any failings.</li><li><strong>Robotics</strong> – proximity sensing and collision avoidance keeping the workplace running safely during production.</li><li><strong>Packaging and Labelling</strong> – positioning, presence, and accurate label placement.</li><li><strong>Logistics and Warehouses</strong> – pallet management, material handling, conveyor belt detection, sorting and storage of goods.</li><li><strong>Automotive Manufacturing</strong> – detection on assembly lines, positioning in paint booths and inspection for quality control purposes.</li><li><strong>Food and Beverage Processing </strong>– monitoring conveyor systems and ensuring packing and labelling is correct.</li><li><strong>Healthcare and Pharmaceuticals</strong> – monitoring batch processing, detection, and traceability.</li><li><strong>Material Handling</strong> – operations in warehouses, distribution centres and accurate detection of objects for safety purposes</li></ul><h2>Why Choose Sick Proximity Sensors?</h2><p>Sick sensors offer many benefits within the industrial automation and manufacturing sectors. Here are just a few examples of where these sensors can assist from an automation, safety and quality control point of view.</p><ul><li><strong>Accuracy</strong>: Sick proximity sensors are accurate and reliable.</li><li><strong>Versatile</strong>: They are versatile and can be used across different applications.</li><li><strong>Durability</strong>: These sensors are durable and able to operate in harsh environmental conditions</li><li><strong>Longevity</strong>: They are designed to last with minimal ongoing maintenance</li><li><strong>Integration</strong>: Sick proximity sensors can easily be integrated into existing systems and machinery.</li><li><strong>Enhanced safety</strong>: These proximity sensors can improve the safety of the industrial workplace and limit collisions and detecting unauthorised access to certain areas.</li></ul>

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Balluff Proximity Sensors | Proximity Sensors | RS

<p>Balluff offer a wide range of proximity sensors for a variety of applications and industries. These sensors detect the presence or absence of metallic objects without physical contact. Balluff proximity sensors offer a range of different designs, housing diameters and thread sizes for easy integration into a wide range of applications and design solutions.</p><h3>Where are Balluff Proximity Sensors Used?</h3><p>Balluff proximity sensors are used in a wide range of industrial applications such as manufacturing, automation systems, robotics, security systems and mobile devices.</p><h3>Why Choose Balluff Proximity Sensors?</h3><p>Balluff proximity sensors have a range of features and benefits making them unique to your specific requirements. Here are a few of the features and benefits they offer:</p><ul><li>Motion detection of metallic and non-metallic objects</li><li>Plug or cable connection</li><li>Cylindrical and rectangular designs</li><li>Flush and non-flush sensors</li><li>High pressure resistant sensors</li><li>Wide temperature range</li><li>Useable in applications with oil or water</li></ul>

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Pepperl + Fuchs Proximity Sensors | Proximity Sensors | RS

<p>Pepperl + Fuchs offer a wide range of sensors that can be used in a variety of applications across numerous industrial settings.</p><h3>Where are Pepperl + Fuchs Proximity Sensors used?</h3><p>These proximity sensors are used in object detection and positioning, machine automation and safety, robotics, liquid level sensing, conveyor monitoring and for accurate positioning. </p><h3>Why Choose Pepperl + Fuchs Proximity Sensors?</h3><p>Here are just a few of the benefits that can be found from using a Pepperl + Fuchs Proximity Sensor. The specific choice of sensor you should use depends upon your application requirements:</p><ul><li>Contactless detection without any physical contact</li><li>Robust construction of housing suitable for use in a range of environments</li><li>Extended temperature ranges suitable for varying conditions</li><li>LED status indication – visually feedback of any issues</li><li>Reliability – accurate and stable</li><li>Liquid level sensing – used in tanks, reservoirs and for food processing</li></ul>

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Telemecanique Proximity Sensors | Proximity Sensors | RS

<p>Telemecanique proximity sensors are used throughout a wide range of industry and applications. They are used for object detection without the need for direct contact, pressure monitoring of liquid levels, non-contact detection and they can help to manage access control and enable tracking systems.</p><h3>Why choose Telemecanique Proximity Sensors?</h3><p>Telemecanique proximity sensors have a range of features and benefits making them ideal for your industrial requirements. Here are a few of the benefits they offer:</p><ul><li>Reliability: Robust sensors that are suitable for industrial applications</li><li>Non-Contact Sensing: Proximity sensors that operate without any physical contact with the object itself, minimising wear and tear</li><li>Adjustable sensing range: You can adjust the sensing range with certain types of sensor</li><li>Detect gas or liquid pressure levels and thresholds</li><li>Easy installation: Easy to install and integrate into existing systems</li><li>Cost-Effective: Long performance making these sensors cost effective</li></ul>

Eaton Proximity Sensors

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