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Encoders

Encoders

Quantum Devices, Inc. (QDI) Barneveld, WI, was established as a Wisconsin corporation in October 1989, as an outgrowth of activities in the general area of optoelectronics.

QDI manufacture QPhase,  a family of high resolution miniature optical encoders for applications requiring high performance, high resolution digital feedback in a very small package.   Incorporating QDI's patented sensor technology, our 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.

Quality and reliability are very important concepts in maintaining our company wide commitment to overall product performance. Quality simply means continuous process improvement. We are committed to continually increasing our product excellence through increased quality and reliability. Quantum Devices, Inc. is ISO 9001 certified and the ISO Standard will provide the guidance for the vital function of maintaining our commitment to constantly improve our product quality.

Servo-Tek PT Series Encoders-

When mounted to any rotating shaft, the PT Series Encoder provides a single or dual channel square wave output for speed/position control. The Encoder can be used to supply digital feedback for motor speed control and speed indication. The small size of the PT Series Encoder (2.0" dia., 900" long) makes it easy to use where space is limited. The hollow shaft design is easy to mount with no coupling or tedious alignment procedures.

Servo-Tek PM Series Encoders-

When mounted to any rotating shaft, the PM Series Encoder provides a single or dual channel square wave output for speed/position control. The Encoder can be used to supply digital feedback for motor speed control and speed indication. The small size of the PM Series Encoder makes it easy to use where space is limited. The Screw Mount design has a 10-32 threaded shaft that is easy to mount. Special mounting brackets and couplings are not required. The Face Mount design has three tapped mounting holes and a snychro groove.

Click on the models below for pricing & specifications. 


1 - 11 of 11 records
  1. HR12 Series - Encoders, Hollow Shaft
    Size 12 Diameter HEDS Compatible Optical Encoder [more info]
  2. JR12 Series - Encoders, Hollow Shaft
    Size 12 Diameter Jam Nut Mount Optical Encoder [more info]
  3. PM Series - Encoders, Rotary Shaft
    Low cost Rotary Shaft Incremental Encoders to 100ppr [more info]
  4. PT Series - Encoders, Hollow Shaft
    Lowcost Modular Incremental Encoders to 200ppr [more info]
  5. QD110 - Encoders, Rotary Shaft
    Size 11 High Resolution Optical Encoder [more info]
  6. QD145 Series - Encoders, Hollow Shaft
    1.45" Diameter Optical Encoder [more info]
  7. QD200 Series - Encoders, Hollow Shaft
    2.00" Diameter Optical Encoder [more info]
  8. QD787 Series - Encoders, Rotary Shaft
    20mm Diameter High Resolution Optical Encoder [more info]
  9. QD787-H Series - Encoders, Hollow Shaft
    20mm Diameter Optical Encoder [more info]
  10. QDH20 - Encoders, Rotary Shaft
    Size 20 Industrial Shaft Encoder [more info]
  11. QR12 Series - Encoders, Hollow Shaft
    Size 12 Diameter Optical Encoder [more info]
1 - 11 of 11 records
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