Technical Explanation for Proximity Sensors - Omron
https://www.ia.omron.com/data_pdf/guide/41/proximity_tg_e_6_2.pdf
WEBJIS gives the generic name "proximity switch" to all sensors that provide non-contact detection of target objects that are close by or within the general vicinity of the sensor, and classifies them as inductive, capacitive, ultrasonic, photoelectric, magnetic, etc.
DA: 2 PA: 40 MOZ Rank: 63