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Howard Minnick is the president of Automation Systems Interconnect Inc., Mechanicsburg, Pa., a manufacturer of sensors. For more information from ASI Inc., call 877-650-5160 or visit www.asi-ez.com.
Considering three aspects — sensor design, materials of construction and process parameters — will help yield the best choice for difficult applications.
Following the introduction of proximity sensors in the early ’90s, this relatively simple device has played an integral role in most applications in the automation industry.
The basic function of an inductive proximity switch is to detect the presence of metal within a defined distance (SN) between the device and the metal.
