Quantum Devices, Inc.

Quantum Devices, Inc.


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.

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.   QDI optical encoders offer numerous configurations to meet the wide demands of the motion control industry. 

Brochure and catalog links are below.

Products in Store

Items 1-50 of 128

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  1. QR12-512-0-A-B-N-C-A
    QR12-512-0-A-B-N-C-A

    1.22" Diameter Incremental Optical Encoder, 0.375" Hollow Shaft, 512 Pulse/Rev

  2. QR12-512-0-A-B-M-B-A
    QR12-512-0-A-B-M-B-A

    1.22" Diameter Incremental Optical Encoder, 0.3125" Hollow Shaft, 512 Pulse/Rev

  3. QR12-512-0-A-B-L-A-A
    QR12-512-0-A-B-L-A-A

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

  4. QR12-500-0-A-B-N-C-A
    QR12-500-0-A-B-N-C-A

    1.22" Diameter Incremental Optical Encoder, 0.375" Hollow Shaft, 500 Pulse/Rev

  5. QR12-500-0-A-B-M-B-A
    QR12-500-0-A-B-M-B-A

    1.22" Diameter Incremental Optical Encoder, 0.3125" Hollow Shaft, 500 Pulse/Rev

  6. QR12-500-0-A-B-L-A-A
    QR12-500-0-A-B-L-A-A

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

  7. QR12-5000-0-A-B-N-C-A
    QR12-5000-0-A-B-N-C-A

    1.22" Diameter Incremental Optical Encoder, 0.375" Hollow Shaft, 5000 Pulse/Rev

  8. QR12-5000-0-A-B-M-B-A
    QR12-5000-0-A-B-M-B-A

    1.22" Diameter Incremental Optical Encoder, 0.3125" Hollow Shaft, 5000 Pulse/Rev

  9. QR12-5000-0-A-B-L-A-A
    QR12-5000-0-A-B-L-A-A

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

  10. QR12-2048-0-A-B-N-C-A
    QR12-2048-0-A-B-N-C-A

    1.22" Diameter Incremental Optical Encoder, 0.375" Hollow Shaft, 2048 Pulse/Rev

  11. QR12-2048-0-A-B-M-B-A
    QR12-2048-0-A-B-M-B-A

    1.22" Diameter Incremental Optical Encoder, 0.3125" Hollow Shaft, 2048 Pulse/Rev

  12. QR12-2048-0-A-B-L-A-A
    QR12-2048-0-A-B-L-A-A

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

  13. QR12-1024-0-A-B-N-C-A
    QR12-1024-0-A-B-N-C-A

    1.22" Diameter Incremental Optical Encoder, 0.375" Hollow Shaft, 1024 Pulse/Rev

  14. QR12-1024-0-A-B-M-B-A
    QR12-1024-0-A-B-M-B-A

    1.22" Diameter Incremental Optical Encoder, 0.3125" Hollow Shaft, 1024 Pulse/Rev

  15. QR12-1024-0-A-B-L-A-A
    QR12-1024-0-A-B-L-A-A

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

  16. QR12-1000-0-A-B-N-C-A
    QR12-1000-0-A-B-N-C-A

    1.22" Diameter Incremental Optical Encoder, 0.375" Hollow Shaft, 1000 Pulse/Rev

  17. QR12-1000-0-A-B-M-B-A
    QR12-1000-0-A-B-M-B-A

    1.22" Diameter Incremental Optical Encoder, 0.3125" Hollow Shaft, 1000 Pulse/Rev

  18. QR12-1000-0-A-B-L-A-A
    QR12-1000-0-A-B-L-A-A

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

  19. QDH20-M1-C1-S2-N-512-02-06-03
    QDH20-M1-C1-S2-N-512-02-06-03

    Size 20 Flange Incremental Optical Encoder, 0.375" Solid Shaft, 512 Pulse/Rev, Radial 10 Pin Connector

  20. QDH20-M1-C1-S2-N-500-02-06-03
    QDH20-M1-C1-S2-N-500-02-06-03

    Size 20 Flange Incremental Optical Encoder, 0.375" Solid Shaft, 500 Pulse/Rev, Radial 10 Pin Connector

  21. QDH20-M1-C1-S2-N-5000-02-06-03
    QDH20-M1-C1-S2-N-5000-02-06-03

    Size 20 Flange Incremental Optical Encoder, 0.375" Solid Shaft, 5000 Pulse/Rev, Radial 10 Pin Connector

  22. QDH20-M1-C1-S2-N-2048-02-06-03
    QDH20-M1-C1-S2-N-2048-02-06-03

    Size 20 Flange Incremental Optical Encoder, 0.375" Solid Shaft, 2048 Pulse/Rev, Radial 10 Pin Connector

  23. QDH20-M1-C1-S2-N-1024-02-06-03
    QDH20-M1-C1-S2-N-1024-02-06-03

    Size 20 Flange Incremental Optical Encoder, 0.375" Solid Shaft, 1024 Pulse/Rev, Radial 10 Pin Connector

  24. QDH20-M1-C1-S2-N-1000-02-06-03
    QDH20-M1-C1-S2-N-1000-02-06-03

    Size 20 Flange Incremental Optical Encoder, 0.375" Solid Shaft, 1000 Pulse/Rev, Radial 10 Pin Connector

  25. QDH20-F1-C1-H5-N-512-02-06-03
    QDH20-F1-C1-H5-N-512-02-06-03

    2.25" Flex Mount Incremental Optical Encoder, 0.375" Hollow Shaft, 512 Pulse/Rev, Radial 10 Pin Connector

  26. QDH20-F1-C1-H5-N-500-02-06-03
    QDH20-F1-C1-H5-N-500-02-06-03

    2.25" Flex Mount Incremental Optical Encoder, 0.375" Hollow Shaft, 500 Pulse/Rev, Radial 10 Pin Connector

  27. QDH20-F1-C1-H5-N-5000-02-06-03
    QDH20-F1-C1-H5-N-5000-02-06-03

    2.25" Flex Mount Incremental Optical Encoder, 0.375" Hollow Shaft, 5000 Pulse/Rev, Radial 10 Pin Connector

  28. QDH20-F1-C1-H5-N-2048-02-06-03
    QDH20-F1-C1-H5-N-2048-02-06-03

    2.25" Flex Mount Incremental Optical Encoder, 0.375" Hollow Shaft, 2048 Pulse/Rev, Radial 10 Pin Connector

  29. QDH20-F1-C1-H5-N-1024-02-06-03
    QDH20-F1-C1-H5-N-1024-02-06-03

    2.25" Flex Mount Incremental Optical Encoder, 0.375" Hollow Shaft, 1024 Pulse/Rev, Radial 10 Pin Connector

  30. QDH20-F1-C1-H5-N-1000-02-06-03
    QDH20-F1-C1-H5-N-1000-02-06-03

    2.25" Flex Mount Incremental Optical Encoder, 0.375" Hollow Shaft, 1000 Pulse/Rev, Radial 10 Pin Connector

  31. QR787-05/05-A256-05-02-S1
    QR787-05/05-A256-05-02-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 512 Pulse/Rev, 8" Ribbon Cable

  32. QR787-05/05-A256-05-02-H1
    QR787-05/05-A256-05-02-H1

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 512 Pulse/Rev, 8" Ribbon Cable

  33. QR787-05/05-A256-04-02-S1
    QR787-05/05-A256-04-02-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 512 Pulse/Rev, Straight Pins

  34. QR787-05/05-A256-04-02-H1
    QR787-05/05-A256-04-02-H1

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 512 Pulse/Rev, Straight Pins

  35. QR787-05/05-512-02-02-S1
    QR787-05/05-512-02-02-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 500 Pulse/Rev, 8" Ribbon Cable

  36. QR787-05/05-512-02-02-H1
    QR787-05/05-512-02-02-H1

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 500 Pulse/Rev, 8" Ribbon Cable

  37. QR787-05/05-512-02-01-S1
    QR787-05/05-512-02-01-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 500 Pulse/Rev, Straight Pins

  38. QR787-05/05-512-02-01-H3
    QR787-05/05-512-02-01-H3

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 500 Pulse/Rev, Straight Pins

  39. QR787-05/05-500-02-02-S1
    QR787-05/05-500-02-02-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 5000 Pulse/Rev, 8" Ribbon Cable

  40. QR787-05/05-500-02-02-H1
    QR787-05/05-500-02-02-H1

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 5000 Pulse/Rev, 8" Ribbon Cable

  41. QR787-05/05-500-02-01-S1
    QR787-05/05-500-02-01-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 5000 Pulse/Rev, Straight Pins

  42. QR787-05/05-500-02-01-H3
    QR787-05/05-500-02-01-H3

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 5000 Pulse/Rev, Straight Pins

  43. QR787-05/05-2048-02-02-S1
    QR787-05/05-2048-02-02-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 2048 Pulse/Rev, 8" Ribbon Cable

  44. QR787-05/05-2048-02-02-H1
    QR787-05/05-2048-02-02-H1

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 2048 Pulse/Rev, 8" Ribbon Cable

  45. QR787-05/05-2048-02-01-S1
    QR787-05/05-2048-02-01-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 2048 Pulse/Rev, Straight Pins

  46. QR787-05/05-2048-02-01-H3
    QR787-05/05-2048-02-01-H3

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 2048 Pulse/Rev, Straight Pins

  47. QR787-05/05-1024-02-02-S1
    QR787-05/05-1024-02-02-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 1024 Pulse/Rev, 8" Ribbon Cable

  48. QR787-05/05-1024-02-02-H1
    QR787-05/05-1024-02-02-H1

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 1024 Pulse/Rev, 8" Ribbon Cable

  49. QR787-05/05-1024-02-01-S1
    QR787-05/05-1024-02-01-S1

    0.787" Diameter Incremental Optical Encoder, 0.125" Solid Shaft, 1024 Pulse/Rev, Straight Pins

  50. QR787-05/05-1024-02-01-H3
    QR787-05/05-1024-02-01-H3

    0.787" Diameter Incremental Optical Encoder, 0.125" Hollow Shaft, 1024 Pulse/Rev, Straight Pins

Items 1-50 of 128

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