High-resolution Incremental Optical Encoder

Our Bulletin 847 High-resolution Incremental Optical Encoders feature a robust mechanical design and a metal code disk which provides a rugged bearing system that fits nearly all applications. Built to withstand shock, vibration, and a wide range of operating temperatures, these compact encoders are available with flange, hollow shaft, and blind hollow shaft options.


  • Includes compact 2- and 2.5-inch housing
  • Provides integer resolution from 1...65,536 counts per resolution
  • Offers choice of output signal phasing and output driver for all form factors and resolutions

Our Bulletin 847 series of encoders has replaced our 844A, 844B, 845H, 845F, 845T and 845PY incremental encoders.

Product Selection


Resource Publication Number Language
Bulletin 847 Incremental Optical Encoder Product Profile 847-PP001
Bulletin 847HF Solid Shaft Incremental Optical Encoder with Bell Housing and Coupler Installation Instructions 847HF-IN001
Bulletin 847A and 847B Hollow Shaft Incremental Optical Encoder Installation Instructions 847AB-IN001
Bulletin 847H Solid Shaft Incremental Optical Encoder Installation Instructions 847H-IN001
Bulletin 847T Solid Shaft Incremental Optical Encoder Installation Instructions 847T-IN001
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