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. |
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NEWS: Inclinometers for Harsh Applications Triple Certified Hazardous Area Encoders IP69K Hall Effect Position Sensor |
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Encoder and Sensor Product Overview
OVERVIEW BY TYPE - ENCODER AND SENSOR PRODUCTS
![]() Optical Rotary EncodersIncremental, 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 EncodersIncremental, 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. ![]() Hall Effect Rotary Position SensorsHigh 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 PotentiometersRugged 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 technology page to read more. |

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.

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

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

SwiftComm® Wireless Encoder Interface
Real-time wireless interface for industrial encoder products. Incremental and SSI absolute versions available.

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
Review a complete listing of BEI's optical and 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.
OVERVIEW BY CERTIFICATION - ENCODER AND SENSOR PRODUCTS

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