BEI Industrial Encoders, an operation of Custom Sensors & Technologies Inc., has released BEI Industrial Encoders for Dummies, a guide to optical encoders for both novices and experts in the field. The company has partnered with the publishers of the “For Dummies” series to provide a basic, no-nonsense approach to key information about the multipurpose devices, including how they work, how to recognize a quality device and manufacturer, and how to address environmental and electrical concerns. The resource, which can be used for quick reference or read in full, discusses how to choose the appropriate encoder for an application and how to install it.