Quantum Devices

Quantum Devices is dedicated to manufacturing high quality, high performance encoders and photodiodes for a multitude of industries with an emphasis on the Motion Control Industry.

Quantum Devices product lines include Optical Encoders, application specific Silicon Photodiodes and Light Emitting Diodes (LED) systems. QDI optical encoders offer numerous configurations to meet the wide demands of the motion control industry.

Quantum Devices QPhase™ Family of Encoders feature high resolution, increased frequency response and superior reliability over temperature (0 to 120 degrees C). QDI incremental and absolute encoders set a new standard and are backed by a 2 year factory warranty.

We invite you to request an evaluation unit, additional information or price quotations.


Quantum Devices Product Lines we Provide:

QM35 EZ-Comm Optical Rotary Encoder

  • Programmable Comm. Alignment
  • Incremental & Commutation
  • Full Complement Outputs
  • Bearingless Modular Design
  • Low Profile: Ø1.44" x 0.43" H
  • Standard JAE Connector

QML35 EZ-Comm Optical Rotary Encoder

  • Programmable Comm. Alignment
  • Incremental & Commutation
  • Single Ended Outputs
  • Bearingless Modular Design
  • Low Profile: Ø1.44" x 0.43" H
  • Standard Berg (FCI) Connector

QM35 Optical Rotary Encoder

  • Incremental & Commutation
  • Full Complement Outputs
  • Low Profile: Ø1.44" x 0.43" H
  • Bearingless Modular Design
  • 1 MHz Frequency Response
  • Standard JAE Connector

QML35 Optical Rotary Encoder

  • Incremental & Commutation
  • Single Ended Outputs
  • Low Profile: Ø1.44" x 0.43" H
  • Bearingless Modular Design
  • 1 MHz Frequency Response
  • Standard Berg (FCI) Connector

QM22 Optical Rotary Encoder

  • Miniature Package Size: Ø1.024" x 0.486" H
  • Full Complement Incremental
  • Single Ended Commutation
  • Bearingless Modular Design
  • Standard JAE Connector

QR145 Optical Rotary Encoder

  • Incremental & Commutation
  • Highly Customizable Options
  • IP66 Sealed, 5-26V Operation
  • High Temperature, etc.
  • Ø1.45" x 0.87" H
  • Flying Leads Cable

 QR200 Optical Rotary Encoder

  • Incremental & Commutation
  • Bore Sizes Up To Ø0.625"
  • Highly Customizable Options
  • High Temp, 5-26V Operation, etc.
  • Ø2.00" x 0.93" H
  • Flying Leads Cable

QDH20 Optical Rotary Encoder

  • For Industrial Applications
  • IP66 & IP64 Sealing Standard
  • Size 20 & 25 Flange and Servo
  • Cable Gland or MS Connector
  • 5-26V Operation Standard
  • Line Driver/Open Collector ABZ

QR12 Optical Rotary Encoder

  • Ø1.22" x 0.99" H
  • Highest Resolution Encoder
  • Sin/Cos or Digital Incremental
  • High Pole Count Commutation
  • Standard JAE Connect

LP12 Optical Rotary Encoder

  • Low Profile: Ø1.22" x 0.82" H
  • Highest Resolution Encoder
  • Sin/Cos or Digital Incremental
  • High Pole Count Commutation
  • Standard JAE Connector

Optical Rotary Encoder

  • HEDS/HEDM Compatible Mount
  • IP52 Sealed
  • Ø1.42" x 1.12" H
  • Sin/Cos or Digital Incremental
  • High Pole Count Commutation

JR12 Optical Rotary Encoder

  • Jam Nut Mounting
  • Size 15 Resolver Style
  • Ø1.22" x 1.03" H
  • Sin/Cos or Digital Incremental
  • High Pole Count Commutation

Items 1-30 of 119

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  1. HR12 Series Encoders Rotary Quantum Devices
    HR12 Series

    1.42" Diameter Incremental Optical Encoder, Hollow Shaft, 24-20000 Pulse/Rev

  2. HR12-1000-0-A-H-L-H-A Encoders Rotary Quantum Devices
    HR12-1000-0-A-H-L-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.25" Hollow Shaft, 1000 Pulse/Rev

  3. HR12-1000-0-A-H-M-H-A Encoders Rotary Quantum Devices
    HR12-1000-0-A-H-M-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.3125" Hollow Shaft, 1000 Pulse/Rev

  4. HR12-1000-0-A-H-N-H-A Encoders Rotary Quantum Devices
    HR12-1000-0-A-H-N-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.375" Hollow Shaft, 1000 Pulse/Rev

  5. HR12-1024-0-A-H-L-H-A Encoders Rotary Quantum Devices
    HR12-1024-0-A-H-L-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.25" Hollow Shaft, 1024 Pulse/Rev

  6. HR12-1024-0-A-H-M-H-A Encoders Rotary Quantum Devices
    HR12-1024-0-A-H-M-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.3125" Hollow Shaft, 1024 Pulse/Rev

  7. HR12-1024-0-A-H-N-H-A Encoders Rotary Quantum Devices
    HR12-1024-0-A-H-N-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.375" Hollow Shaft, 1024 Pulse/Rev

  8. HR12-2048-0-A-H-L-H-A Encoders Rotary Quantum Devices
    HR12-2048-0-A-H-L-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.25" Hollow Shaft, 2048 Pulse/Rev

  9. HR12-2048-0-A-H-M-H-A Encoders Rotary Quantum Devices
    HR12-2048-0-A-H-M-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.3125" Hollow Shaft, 2048 Pulse/Rev

  10. HR12-2048-0-A-H-N-H-A Encoders Rotary Quantum Devices
    HR12-2048-0-A-H-N-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.375" Hollow Shaft, 2048 Pulse/Rev

  11. HR12-500-0-A-H-L-H-A Encoders Rotary Quantum Devices
    HR12-500-0-A-H-L-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.25" Hollow Shaft, 500 Pulse/Rev

  12. HR12-500-0-A-H-M-H-A Encoders Rotary Quantum Devices
    HR12-500-0-A-H-M-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.3125" Hollow Shaft, 500 Pulse/Rev

  13. HR12-500-0-A-H-N-H-A Encoders Rotary Quantum Devices
    HR12-500-0-A-H-N-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.375" Hollow Shaft, 500 Pulse/Rev

  14. HR12-512-0-A-H-L-H-A Encoders Rotary Quantum Devices
    HR12-512-0-A-H-L-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.25" Hollow Shaft, 512 Pulse/Rev

  15. HR12-512-0-A-H-M-H-A Encoders Rotary Quantum Devices
    HR12-512-0-A-H-M-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.3125" Hollow Shaft, 512 Pulse/Rev

  16. HR12-512-0-A-H-N-H-A Encoders Rotary Quantum Devices
    HR12-512-0-A-H-N-H-A

    1.42" Diameter Incremental Optical Encoder, HEDS Compatible, 0.375" Hollow Shaft, 512 Pulse/Rev

  17. JR12-1000-0-A-B-R-C-A Encoders Rotary Quantum Devices
    JR12-1000-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 1000 Pulse/Rev

  18. JR12-1024-0-A-B-R-C-A Encoders Rotary Quantum Devices
    JR12-1024-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 1024 Pulse/Rev

  19. 1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 1250 Pulse/Rev.  This Encoder provides improved feedback solutions for those generally using pancake resolvers.
    JR12-1250-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 1250 Pulse/Rev

  20. Quantum Devices, Inc. Model JR12 provides an improved feedback solution in applications typically using pancake resolvers with the same threaded shaft & jam nut mounting.
    JR12-2000-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 2000 Pulse/Rev

  21. JR12-2048-0-A-B-R-C-A Encoders Rotary Quantum Devices
    JR12-2048-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 2048 Pulse/Rev

  22. Quantum Devices, Inc. Model JR12 provides improved feedback solutions in applications using pancake resolvers.
    JR12-24-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 24 Pulse/Rev

  23. JR12-256-0-A-B-R-C-A Encoders Rotary Quantum Devices
    JR12-256-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 256 Pulse/Rev

  24. JR12-360-0-A-B-R-C-A Encoders Rotary Quantum Devices
    JR12-360-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 360 Pulse/Rev

  25. JR12-500-0-A-B-R-C-A Encoders Rotary Quantum Devices
    JR12-500-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 500 Pulse/Rev

  26. JR12-5000-0-A-B-R-C-A Encoders Rotary Quantum Devices
    JR12-5000-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 5000 Pulse/Rev

  27. JR12-512-0-A-B-R-C-A Encoders Rotary Quantum Devices
    JR12-512-0-A-B-R-C-A

    1.22" Diameter Jam Nut Mount Incremental Optical Encoder, 0.25" Hollow Shaft, 512 Pulse/Rev

  28. M-2000-0-A-A-C-A-A-A Encoders Rotary Quantum Devices
    M-2000-0-A-A-C-A-A-A

    1.28" Diameter Bearingless Modular Design Incremental Optical Encoder, 5mm Hollow Shaft, 2000 Pulse/Rev

  29. M-2000-0-A-A-L-A-A-A Encoders Rotary Quantum Devices
    M-2000-0-A-A-L-A-A-A

    1.28" Diameter Bearingless Modular Design Incremental Optical Encoder, 0.25" Hollow Shaft, 2000 Pulse/Rev

  30. M-2000-0-A-A-N-A-A-A Encoders Rotary Quantum Devices
    M-2000-0-A-A-N-A-A-A

    1.28" Diameter Bearingless Modular Design Incremental Optical Encoder, 0.375" Hollow Shaft, 2000 Pulse/Rev

Items 1-30 of 119

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