Sensors & Transducers


Rockwell Automation introduces stainless steel sensors

July 2011 Sensors & Transducers

Two new families of sensors from Rockwell Automation address the most demanding applications in the food and beverage industry. These sensors withstand high pressure and temperature wash downs, while offering excellent resistance to corrosion and damage caused by harsh cleansing agents. The 42CS photoelectric and 871TS inductive sensor families feature stainless steel construction, extended temperature ratings and IP69K enclosure ratings.

The Photoswitch 42CS sensor family features a choice of a smooth or threaded 18 mm 316L stainless steel housing with a hard plastic lens for enhanced reliability and long service life, as well as an operating temperature range of -25 to 85°C. Smooth barrel models are designed to minimise the accumulation of undesired particles on the sensor’s body and to allow easier cleaning. The family offers polarised retro-reflective, diffuse, transmitted beam, clear object detection and background suppression sensing modes. An innovative teach feature allows users to adjust and optimise the sensing range easily to meet specific application demands.

The 871TS inductive proximity sensors feature a stainless steel 316L barrel and an FDA-certified polyphenylene sulfide plastic face that protects against chemicals and other corrosive agents. Sensors are offered in 12 and 18 mm diameter threaded cylindrical enclosures with an operating temperature range of -40 to


8°C. For added application flexibility, standard and extended range units are available.

For more information contact Adrian van Wyk, Rockwell Automation, +27 (0)11 654 9700, avanwyk@ra.rockwell.com, www.rockwellautomation.co.za



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