These Limit Switches can detect micron displacements. They are available in solid-state models and models with contacts.
There are 2 products of High-precision Switches.
High-precision Switch for Detecting Micron-unit Displacement
Optical System Achieves 1-μm Operating Position Repeatability in this 4-way Switch
© Copyright OMRON Corporation 2007 - 2014. All Rights Reserved.