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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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Texas Instruments
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LDC0851HDSGT, Texas Instruments
11979 In Stock
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£ 0.60
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£ 0.47
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£ 0.45
Carlo Gavazzi
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ICB12S30N08A2IO, Carlo Gavazzi
2 In Stock
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£ 25.63
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ICB18L50F08A2IO, Carlo Gavazzi
22 In Stock
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£ 18.06
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BES01TK, BALLUFF
7 In Stock
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£ 91.65
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BES02N6, BALLUFF
1 In Stock
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£ 102.20
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BES04Z5, BALLUFF
1 In Stock
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£ 88.69
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Bi5-M18-AP6X-H1141, Turck
14 In Stock
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£ 73.22
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Bi1-EH04-AP6X-V1331, Turck
5 In Stock
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£ 117.55
RS PRO
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218-1169, RS PRO
28 In Stock
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£ 201.22
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Ni5-M12-AP6X-H1141, Turck
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£ 146.27
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BIM-AKT-AP6X 7M W/KLA1, Turck
54 In Stock
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£ 167.85
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BIM-IKM-AP6X2-H1141/S34 W/KLI3, Turck
1 In Stock
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£ 155.39
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BIM-UNT-AN6X-0.3-PSG3M, Turck
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£ 149.58
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BC5-Q08-AN6X2-V1131/S250, Turck
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£ 131.35
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UC4-13345, Sick
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£ 256.79
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UM18-211161101, Sick
21 In Stock
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£ 161.72
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UM18-212161101, Sick
13 In Stock
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UM18-218126111, Sick
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£ 287.02
Allen Bradley
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871FM-M7BA20-FD02, Allen Bradley
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£ 67.19
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871FM-MV7BA20-FD02X, Allen Bradley
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£ 82.67
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873P-D30AIP2-3500-D5, Allen Bradley
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£ 531.69
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ICB30L50F15M1IO, Carlo Gavazzi
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ICS08S30N40M5IO, Carlo Gavazzi
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BES0016, BALLUFF
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BES0057, BALLUFF
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RS_184-5584, RS PRO

RS_184-5584, RS PRO

RS PRO Flush Mount Capacitive Proximity Sensor Amplifier – 2m PVC Cable Connection Features and Benefits: Applications: What type of connectors do the sensors use?
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RS_184-5574, RS PRO

RS_184-5574, RS PRO

RS PRO Non-Flush Mount Capacitive Proximity Sensor Amplifier – 2m PVC Cable Connection Features and Benefits: Applications: What type of connectors do the sensors use?
New items
RS_184-5604, RS PRO

RS_184-5604, RS PRO

RS PRO Flush Mount Capacitive Proximity Sensor Amplifier – 2m PVC Cable Connection Features and Benefits: Applications: What type of connectors do the sensors use?
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UM18-21112D211, Sick

UM18-21112D211, Sick

Overview The UM18 sensor product family provides simplicity and high functionality. The UM18 ultrasonic sensors are available in straight and angled versions for easy machine integration. A metal or plastic housing allows use in demanding ambient conditions. Due to four sensing ranges up to a total of 1,300 mm and LED status feedback, the sensors are suitable for a broad range of applications. Whether analogue or PNP/NPN switching output, one or two push-pull switching outputs with IO-Link or the combination of analogue and push-pull switching output with IO-Link, sensors of the UM18 product family leave nothing to be desired. At a glance Reliable measurement, regardless of material color, transparency, gloss, or ambient light Sensing ranges up to 1,300 mm Short metal or plastic M18 housing from 42 mm in length Straight or angled design Immune to dirt, dust, humidity, and fog Versatile interfaces including IO-Link available Your Benefit Four sensing ranges up to a total of 1,300 mm for countless application possibilities Easy integration due to a short M18 housing, straight or angled Measurement filters and variants with temperature compensation for reliable measurement results and very high process reliability Rugged, one-piece housing ensures highest plant availability Synchronization or multiplex mode for the simultaneous use of up to 20 sensors increases application flexibility and process reliability Various output signals for solving complex applications Teach-in via cable prevents unintentional sensor adjustment, reducing machine downtime Rugged, reliable ultrasound technology Applications Detection, measurement and positioning of dark, shiny, and transparent materials Level regulation for liquids and bulk materials Diameter check for metal, paper, and plastic coils Continuous detection of fabrics and wire grids Collision avoidance Outdoor applications Note Product details cover the whole product family. For details on the specifications for this individua...
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NI50U-CK40-AP6X2-H1141, Turck

NI50U-CK40-AP6X2-H1141, Turck

Stubby Cube PBT housing and sensing face. Stock number 405-7167 has a metal housing with duroplast sensing face providing high impact and thermal resistance Adjustable sensing head, 5 positions M12 connector termination. Supplied with 2m PUR single-ended, straight connector lead 3 wire dc Yellow LED output status display Green LED for power on, flashing indicates a short circuit Mounting bracket included Uprox Range Extended sensing ranges Sense all metals at the same distance - with no reduction factor IP67 rating (Barrel is IP68) High switching frequency No load current 15mA max. Operating Temperature Range -25 → +85°C Short circuit protection Overload protection Reverse polarity protection Inherent weld field immunity
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XS108B3NAM8, Telemecanique Sensors

XS108B3NAM8, Telemecanique Sensors

Inductive Sensor XS1 M8 - L42MM - BRASS - SN2MM - 12..24VDC - M8
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XS1M08PC410, Telemecanique Sensors

XS1M08PC410, Telemecanique Sensors

Inductive Sensor XS1 M8 - L50MM - STAINLESS - SN1.5MM - 12..24VDC - CABLE 2M
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XS4P18PC410, Telemecanique Sensors

XS4P18PC410, Telemecanique Sensors

Inductive Sensor XS4 M18 - L34MM - PPS - SN8MM - 12..24VDC - CABLE 2M
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