BEI Sensors - Rugged Encoders, Position Sensors and Motion Control Products

Standard and Custom Sensors for Demanding Environments in Industrial Applications

BEI Sensors Manufactures a Wide Range of Rotary Optical Encoder Products, Magnetic Encoders, Hall Effect Non-Contact Position Sensors, Contact Potentiometers, and Other Motion Control Products for Extreme Applications Harsh industrial applications regularly expose critical equipment to mechanical stress, temperature extremes, moisture, dirt, vibration and caustic materials. BEI Sensors understands the need to have reliable encoders and sensors that offer high levels of performance no matter how severe the environment, and offers a wide array of products to meet these challenges. If you don't see what you need, just ask - the BEI engineering team also designs adaptations and fully customized sensor products for OEM's of all sizes. DesignWorld Vote

Inclinometers for Harsh Applications Triple Certified Hazardous Area Encoders IP69K Hall Effect Position Sensor
Encoders for hazardous locationsOff Highway EquipmentEncoders and Position Sensors for Metal Manufacturing ApplicationsEncoders for motors and drivesPosition Sensors for Aerospace and Defense Position sensor and encoder products for mining industry Encoder products and motion control solutions for wind energy Material Handling

Encoder and Sensor Product Overview


Rotary Through-Hole Optical Encoder - HS45

Optical Rotary Encoders

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.

Rotary Shafted Magnetic Encoder - DHM5-CHM5-HHM5

Magnetic Rotary Encoders

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.

Non-contact position sensor - hall effect

Hall Effect Rotary Position Sensors

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 linearcontact potentiometer

Rotary and Linear Potentiometers

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.

  Need assistance selecting the right sensing technology for your motion control application?Visit our sensor
page to read

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CDB draw wire encoder from BEI sensors

Draw Wire 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.

optical isolator encoder module

Electronic Modules

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

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Swiftcomm wireless encoder transmitter receiver

SwiftComm® Wireless Encoder Interface

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

BEI encoder and sensor support products

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

Review a complete listing of BEI's optical and magnetic encoders.

Replace Competitor Encoder with BEI rotary optical & magnetic encoders

Crossover Library

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

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Encoder products for hazardous areas

ATEX and UL Hazardous Area Certified Products

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.