Robotic Collision Sensors mechanically detect when the robot arm* has encountered an obstruction, absorb the crash energy and quickly stop the robot to prevent costly damage to the robot arm and tooling. Pneumatic RAD's Ultimatic™ Robotic Collision Sensor features a repeatability of 0.0005" (0.013mm) and allows the user to easily adjust the amount of resistance the unit must overcome before stopping the system. Pneumatic High-Angle RAD's High-Angle Ultimatic™ Robotic Collision Sensor provides the excellent repeatability and features of the original Ultimatic™ Robotic Collision Sensor and 63% additional angular compliance to help prevent costly damage to the robot and/or tooling even when the robot is running at higher rates of speed. Pneumatic Spring-Assist RAD's Spring-Assist Ultimatic™ Robotic Collision Sensor has the ability to handle nearly double the payload of our standard pneumatic collision sensor model with NO increase in footprint! Pneumatic Stainless Steel RAD's Stainless Ultimatic™ Robotic Collision Sensor has all the features and benefits of our standard pneumatic collision sensor model but with the added benefit of a stainless steel construction that enables it to be used in caustic, clean room, and food handling environments. Spring-Loaded RAD's Uni-Coupler™ Robotic Collision Sensor provides crash protection when compressed air is not available