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Non-Contact Sensors

Non-Contact Sensors. ELM 4701 Tech Topic Fall 2002. Benefits of Non-Contact. No force exerted on object. No wear on sensor or part. Can be used through different surfaces (depending on sensor). Can be used in harsh environments. Disadvantages of Non-Contact. Non-passive devices

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Non-Contact Sensors

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  1. Non-Contact Sensors ELM 4701 Tech Topic Fall 2002

  2. Benefits of Non-Contact • No force exerted on object. • No wear on sensor or part. • Can be used through different surfaces (depending on sensor). • Can be used in harsh environments. Will Fisher

  3. Disadvantages of Non-Contact • Non-passive devices • Added circuitry for sensing and amplifying • Added controller for decoding and range control Will Fisher

  4. Types of Non-Contact Sensors • Inductive • Capacitive • Photoelectric • Ultrasonic • Laser Will Fisher

  5. Specifications Will Fisher

  6. Web References • Inductive, Capacitive and Photoelectric Sensors • http://www.intermacengineering.com/sensor.html • Ultrasonic Sensors • http://www.productlead.com.hk/doc/Ultrasonic_Sensors.html • Laser Distance Sensors • http://www.di-soric.de/englisch/db79_c.html • Laser Distance and Capacitive Sensors • http://www.mtiinstruments.com/ Will Fisher

  7. Article References • Non-Contact Position Sensors. • Engineering & Technology for a Sustainable World, Jan 2001 v8 i1 p29 • Design model generation for reverse engineering using multi-sensors. Saeid Motavalli; Vithaya Suharitdamrong; Abdalla Alrashdan. • IIE Transactions, April 1998 v30 n4 p357(10) • Non-contact sensors advance for discrete manufacturing. Mintchell, Gary A. • Control Engineering v. 49 no4 (Apr. 2002) p. 37-8, 40, 42 Will Fisher

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