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BEI Sensors

BEI Sensors
Specializing in reliable position sensing products for harsh environments, BEI Sensors can supply a range of products from standard off-the-shelf to completely customized solutions for any challenging application. Serving the industrial, military/aerospace and transportation markets, BEI Sensors provides an extensive product line, engineering expertise and unparalleled product support.

The comprehensive product line includes rotary and linear position sensors, potentiometers (wirewound, conductive plastic and hybrid), Hall Effect sensors, absolute and incremental encoders, panel controls, electronic interface modules, wireless modules, and a variety of product accessories. Specialized products for harsh environments include those certified for hazardous area use, wash-down environments and extreme operating temperatures.

Products : Encoders and Sensors

Optical Rotary Encoders

  Rotary Through-Hole Optical Encoder - HS45
Incremental, absolute single-turn, and absolute multi-turn encoder models available in hollow shaft and shafted encoder body styles. Optical sensing technology offers the most precise, highest resolution encoders, which are extremely rugged for harsh and dirty environments. BEI Sensors Express Encoders® are available for quick delivery – with six package styles (four incremental and two absolute) to choose from providing over 2,000 different encoder configurations.

Magnetic Rotary Encoders

  Rotary Shafted Magnetic Encoder - DHM5-CHM5-HHM5
Incremental, absolute single-turn, and absolute multi-turn models available in hollow shaft and shafted body styles. Magnetic sensing technology is ideal for operation in very high temperatures and environments with extreme shock. Check out the LP Series of low profile magnetic encoders for harsh environments.

Programmable Encoders

  Non-contact position sensor - hall effect
Programmable encoders allow the user to choose a wide range of resolutions, reducing machine downtime and saving on inventory costs.

Hall Effect Rotary Position Sensors

  Non-contact position sensor - hall effect
High performance, non-contact rotary position sensor solutions for resolving angular position with an analog output. Models available up to 6-turns with 2160 degrees of resolution.

Rotary and Linear Potentiometers

  Rotary linearcontact potentiometer
Rugged contacting sensors available as wirewound, conductive plastic and hybrid technology in a range of single or multi-turn configurations up to 3600º (10-turns) of motion.

Draw Wire Sensors

  CDB draw wire encoder from BEI sensors
A simple solution to measure linear speed and position. The draw wire encoder line is available in ranges from 1,200 and 50,000 mm in a variety of incremental and absolute encoder output options.


  Inclinometer BEI

Sturdy and compact BEI inclinometers offer high resolution, excellent sealing against harsh environments, and a variety of output options.

Electronic Modules

  optical isolator encoder module
DIN rail-mountable optical isolators, intrinsic safety barriers, and other signal conditioning devices.

SwiftComm® Wireless Encoder Interface

  Swiftcomm wireless encoder transmitter receiver

Real-time wireless interface for industrial encoder products. Incremental and SSI absolute versions available.

Sensor Support Products

  BEI encoder and sensor support products
Most commonly used accessories including couplings, connector/cable assemblies, as well as motor adapters to mount your encoder to motors from a NEMA frame size 23 through size 56.

Encoder Model Comparison Chart

  Encoder Model Comparison Chart
A complete listing of BEI’s optical and magnetic encoders.


  Replace Competitor Encoder with BEI rotary optical & magnetic encoders

Need to replace a non-BEI encoder? BEI has successfully cross-referenced thousands of competitors’ encoder models and can help you today.

ATEX and UL Hazardous Area Certified Products

  Encoder products for hazardous areas
Complete selection of UL and ATEX certified position sensing and encoder products for hazardous locations worldwide. Certifications include UL Class I Division 1 and 2, and ATEX Zone 1 and Zone 2.

PL and SIL Functional Safety Products

  PL and SIL Functional Safety Products
Safety Integrity Level (SIL) and Performance Level (PL) incremental encoders to ensure safe plant operation within an entire safety loop.