J.Richter Engineering

BEI Sensors

BEI Sensors


BEI Sensors specializes in speed and position sensors for extreme applications. Serving the industrial, military, aerospace and off-highway markets, BEI Sensors provides an extensive range of products from standard off-the-shelf to completely customized solutions for any challenging application. Backed by decades of experience, BEI designs sensors that offer uncompromising quality, performance, and reliability. The comprehensive product line includes optical and magnetic encoders, Hall effect sensors, potentiometers (wirewound, conductive plastic and hybrid), electronic interface modules, wireless modules, and a variety of product accessories. Specialized products for extreme applications include those for wash-down and corrosive environments, extended operating temperatures, high shock and vibration, wet and dirty operations and products certified for hazardous area use.
BEI Sensors upholds a standard of excellence in our products, customer service experience, and commitment to being a global leader in speed and position sensor technology.


Optical sensing technology is the most precise and offers the highest resolution of the position sensing technologies. Rugged construction and years of field proven service makes BEI optical rotary encoders ideal for operating in harsh industrial environments including oil well drilling, machine control, agricultural machinery, web process control, robotics, elevators, construction equipment, cranes, motor feedback and any closed loop control systems. BEI optical encoders are available as incremental, absolute single-turn, and absolute multi-turn. BEI Sensors programmable encoders offer resolution flexibility to match changing needs while also saving on inventory costs and reducing machine downtime.

Main series: GXM9, DXM5, H40, H25, 600, 1200, HS35, HHUX, 700, PEUX ATEX