871TM Long Range Inductive Proximity Sensors Allen Bradley 871TM series tubular stainless steel inductive sensors are ideal for harsh or extremely demanding environments. These sensors resist impact, abrasion and corrosion, to keep things moving where ordinary sensors grind to a halt. The 871TM series features full mechanical seals at all barrel openings and full epoxy encapsulation for optimal performance in the toughest environments. IO-Link enabled sensors offer advanced features and diagnostics including Automatic Device Configuration, multiple profiles, trending, descriptive tags, and device-specific parameters Features and Benefits IO-Link communication Contacts are N.O. or N.C., NPN or PNP output PVC or ToughLink™ cable or micro quick disconnect 1200 psi washdown Short circuit, overload, transient noise, false pulse, reverse polarity and radio frequency interference protection