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Proximity Sensors

Proximity sensors, also called proximity detectors, are non-contact electronic devices that precisely detect the presence/absence of nearby objects without physically touching them. They are widely used in various applications and are significant in automation and control systems. A proximity sensor provides reliable and non-invasive object detection, enabling precise positioning, counting, and safety measures in various processes. Their contactless operation minimises wear and tear compared to mechanical switches, leading to increased system uptime and reliability.

Benefits of Proximity Sensors:

Using proximity sensors offers unparalleled benefits in terms of:

  • Non-Contact Sensing: Eliminates wear and tear on moving parts, improving lifespan and reducing maintenance needs.
  • Accuracy and Reliability: Provides consistent and precise object detection for dependable control systems.
  • Versatility: Different types of proximity sensors cater to various materials, detection ranges, and environmental conditions.
  • Durability: Many proximity sensors are resistant to dust, dirt, moisture, and vibrations, ensuring operation in harsh environments.
  • Ease of Use: Relatively simple to install and integrate into existing control systems.

Popular Types of Proximity Sensors:

Proximity sensors mainly come in five types, each employing a distinct technology for object detection. These include:

  • Capacitive Proximity Sensors – Capacitive proximity sensors detect changes in capacitance and are often used in applications where the target object is a liquid or a non-metallic solid.
  • Inductive Proximity Sensors They are designed to detect changes in the magnetic field resulting from the metal object's presence. They are often used in industrial automation applications.
  • Photoelectric Proximity Sensors – These sensors use light to detect the presence of an object. There are two main types of photoelectric proximity sensors: reflective and through-beam. 
  • Ultrasonic Proximity Sensors – They emit high-frequency sound waves and sense changes in the reflected sound waves caused by the presence of an object.
  • Magnetic Proximity Sensors – They detect the presence or movement of permanent magnets. Useful for applications requiring detection through non-metallic materials.

Typical Applications of Proximity Sensors:

Proximity sensors have multiple applications across different industries, such as:

  • Consumer Electronics
  • Security Systems
  • Industrial Automation
  • Robotics
  • Automotive Applications
  • Home Automation.

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IS-18-G6-S2, IDEC
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IS-12-A4-S2, IDEC
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GX-312MLK-B-N-C5, Panasonic Industrial Automation Sales
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GX-318M-B-P-Z, Panasonic Industrial Automation Sales
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SX9330LIULTRT, Semtech Corporation

SX9330LIULTRT, Semtech Corporation

SX9330L SAR 8L DFN (LOW COST SX9
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IPX-2D12-04A1RN, KOINO

IPX-2D12-04A1RN, KOINO

PROXIMITY SENSORS CONNECTOR
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IPX-D18-08E4N, KOINO

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IPX-D30-15E1N, KOINO

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