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RB21 Single Wheel Linear Measurement Encoder


Features and Options:

  • High-Definition blue-light phased array technology
  • Compensated blue-light source
  • Wide operating voltage 4.5Vdc - 30Vdc
  • High resolution up 10,000 CPR
  • Unbreakable code disk
  • IP65 environmental seal
  • Integrated mounting arm
  • Precision measuring wheel
  • USAMade in the USA



Product Description

The BlueCoder model RB21 is an optical incremental encoder that use the benefits of blue LED light. It is a size 20 encoder that is a compact 2" diameter x 1-7/8" (Ø51mm x 48mm) long optical shaft encoder with an integral mounting arm, compatible with a variety of mounting accessories for installation either above or below a moving web or conveyor. When used with the MW-8 (8.00" circumference) or MW-20 (20.00cm circumference) measuring wheel it can accurately track the web or conveyor to within ±.007" or ±.016cm per revolution. Solid construction and heavy duty bearings make this encoder a great choice for long-term operation in continuous duty applications.

Industry Use

Conveyor Manufacturers Printing and Labeling Custom Machine Builders Packaging
Material Handling      

Product Documentation

Additional Information

View FileDatasheet

Output Types
Counts per Revolution Options
Anti-Jitter Option
Supply Voltage Options
Output Circuits