Turck multi-coil sensor achieves long-distance metal detection

Minneapolis, MN— Turck recently introduced it Uprox+ proximity sensors, which it reports can precisely detect materials, such as iron steel, stainless steel, copper, aluminum and brass, at long sensing distances without reducing their rated sensing distance. The company adds that Uprox+’s performance is due to its newly patented multi-coil system, which replaces the wound coil found in conventional, ferrite-core inductive sensors. This innovation allows sensing distances up to 250% longer, as well as the flexibility to incorporate its technology into a variety of housing designs.

Uprox+ also features an integrated predamping protection function to reduce the metal-free mounting area in applications. This allows traditionally flush mounted sensors to be recessed by a 1/2 turn for increased mechanical protection. Non-flush mounted sensors may be embedded in metal up to the outer edge of the thread on barrel style sensors and on all four sides of rectangular-style sensors, causing only a slight reduction in sensing distance.

Uprox+ sensors adhere to the present EN50082-2 standard, but they also reportedly exceed strict provisions required by EN61000-4-6, which is expected to be an integral part of industry standards by 2006 and beyond. This compliance protects against conducted interference from frequency converters, and other sources that produce a high level of EMI. In addition, these sensors incorporate sensing capabilities for automotive manufacturing, machine engineering, or for transport and handling applications. Also, Uprox+ sensors reportedly are capable of replacing several conventional proximity sensors.

Control Engineering Daily News DeskJim Montague, news editorjmontague@reedbusiness.com

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