Proximity Sensors
Proximity Sensors: Precision Detection for Automated Systems
Definition & Scope
Proximity Sensors fall under the broader category of Sensors and Transducers, specializing in non-contact detection of nearby objects. These devices emit electromagnetic fields or beams (e.g., infrared, ultrasonic, or inductive signals) to identify the presence, absence, or position of targets without physical interaction. Widely used in industrial automation, robotics, and safety systems, they ensure reliable operation in harsh environments where mechanical switches may fail.
Types of Proximity Sensors
1. Inductive Sensors: Detect metallic objects via electromagnetic induction. Ideal for manufacturing lines with metal components.
2. Capacitive Sensors: Sense both metallic and non-metallic materials (e.g., liquids, plastics) by measuring capacitance changes. Common in material handling and level detection.
3. Magnetic Sensors: React to permanent magnets, often used in automotive or door-positioning systems.
4. Ultrasonic Sensors: Utilize sound waves for long-range detection, suitable for obstacle avoidance in AGVs (Automated Guided Vehicles).
5. Optical Sensors: Use infrared or laser beams for precise object detection, even in dusty environments.
Purchasing Guidance
- Environment: Choose shielded (metal-heavy settings) or unshielded (extended range) models based on interference risks.
- Output Type: Match the sensor s output (e.g., NPN/PNP, analog, IO-Link) to your control system requirements.
- Detection Range: Ensure the sensing distance covers your application needs without false triggers.
- Certifications: Look for IP67/IP69K ratings for dust/water resistance or ATEX compliance for explosive atmospheres.
Proximity Sensors optimize efficiency and safety selecting the right type minimizes downtime and maximizes ROI in automated processes.
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GX-305M-A-N
SENSOR M5 THRD SHIELD NPN NO
9869-8020
SENSOR PROX INDUCTIVE EXT RANGE
650.2990.006
INDUCTIVE SENSOR KIN-E50PS/008-K
689.1249.004
SENSOR MSK4-MS-R10-SOS 0200 S
693.2943.001
INDUCTIVE SENSOR KIB-M12PS/002-K
9853-3031
SENSOR PROX INDUCTIVE 500MA
GX-312MLK-B-N
SENSOR M12 THRD NPN NC LR
9869-1131
SENSOR PROX INDUCTIVE FLAT F3
08317811002
INDUCTIVE SENSOR M8 KJ2-M8MB33DP
9883-3065
SENSOR PROX INDUCTIVE 400MA
9869-8246
SENSOR PROX INDUCTIVE EXT RANGE
IM12-02B-N-ZW0
SEN PROX NAMUR NC 2MM M12
650.2006.001
INDUCTIVE SENSOR KIN-M18PA/008-2
AP4A-FM5-CB1M010Z
1M ST FM INT THD/ST ML EXT THD
607.5619.123
SRF DIAGNOSTIC DEVICE 8PNP OUT S
T40-E0101
MULTICODE M12 X 8 CONN
650.2990.003
INDUCTIVE SENSOR KIB-E50PS/008-K
607.5619.124
SRF DIAGNOSTIC DEVICE 16PNP OUT
1395916-1
SENSOR, PROXIMITY 4MM CYL 5-24 V
SX9320ICSTRT
ULTRA LOW PWR CAP SAR CONTRLER