Hollow Shaft Rotary Encoders

Hollow-shaft and hub-shaft rotary encoders are mounted directly to a motor shaft with an elastic tether. This allows for flexibility when choosing arrangements and removes the need to size the feedback hardware to the actuator dimensions.

Hollow-shaft and hub-shafts are easier to implement and less sensitive to shock and vibration that can cause misalignment. With no external fittings are required, hollow-shaft assembly dimensions are generally smaller.


Consider a Kit Encoder:

Kit Encoders from POSITAL offer smart, maintenance-free solutions for challenging tasks in real time motion feedback. A combination of sensing technologies results in a hollow shaft design with uninterruptible, battery-free multi-turn function, powered by Wiegand pulse with every rotation.

This gear-free, compact, and economically optimized concept is ideal for integration into servo motors, stepper motors, and robotic arms. Enhanced signal processing software enables high-resolution rotary position measurement.

An absolute kit encoders: On-AxisAn absolute kit encoders: On-Axis

Absolute Kit Encoders: On-Axis 

  • Battery and gear-free multiturn solid and hub shaft
  • Singleturn Resolution up to 17 bit
  • Compact design: 36 mm in diameter (22 mm coming soon)
  • Open Source Interfaces: BiSS-C, BiSS Line, 2 or 4 wires, SSI
  • One Cable Technology for BiSS Line
  • Temperature range: -40° to +105°C
An absolute kit encoders: Hallow shaftAn absolute kit encoders: Hallow shaft

Absolute Kit Encoders: Hollow Shaft 

  • Battery and gear-free multiturn hollow shaft
  • Resolution up to 19 bit, accuracy ± 0,02
  • Slim design: 18mm thickness
  • Open Source Interfaces: BiSS-C (SSI under development)
  • No calibration required
  • Suited for applications in robotic arms and motors

Hollow-Shaft Rotary Encoder Products:

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DL-25 Encoder by Netzer Precision

DL-25 Encoder

Features a 17-19 bit resolution and ±0.020° accuracy in a compact 25 mm diameter, ideal for precision tasks in challenging environments.

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DL-66 Encoder by Netzer Precision

DL-66 Encoder

Offers 18-20 bit resolution and ±0.005° accuracy in a robust 71 mm diameter profile, perfect for high-precision industrial use.

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DS-130 Encoder by Netzer Precision

DS-130 Encoder

19 bit Absolute Electric Encoder, 130 mm Diameter; Digital SSI or BiSS-C Output

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DS-40 Encoder by Netzer Precision

DS-40 Encoder

A 17-19 bit resolution and ±0.010° accuracy, suitable for environments with extreme temperatures, shock, EMI, RFI, and magnetic fields.

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DS-58 Encoder by Netzer Precision

DS-58 Encoder

18 bit Absolute Electric Encoder, 58 mm Diameter; Digital SSI or BiSS-C Output

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DS-70 Encoder by Netzer Precision

DS-70 Encoder

A 19-21 bit resolution and ±0.006° accuracy, excels in extreme conditions and offers a non-contact, hollow shaft design.

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DS-90 Encoder by Netzer Precision

DS-90 Encoder

19 bit Absolute Electric Encoder, 90 mm Diameter; Digital SSI or BiSS-C Output

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VLH-35 Encoder by Netzer Precision

VLH-35 Encoder

Offers 17-19 bit resolution and ±0.05° accuracy in a compact 35 mm profile, suitable for precise industrial applications.

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VLM-60 Encoder by Netzer Precision

VLM-60 Encoder

Offers 17-bit resolution and ±0.010° accuracy in a compact 60 mm diameter profile, ideal for diverse industrial applications.

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VLP-100 Encoder by Netzer Precision

VLP-100 Encoder

A resolution of 18-20 bits and ±0.006° accuracy. Designed for precision in challenging electromagnetic environments.

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VLP-140 Encoder by Netzer Precision

VLP-140 Encoder

Offers 19-21 bit resolution, ±0.006° accuracy, ideal for precise operation in electromagnetic environments.

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VLP-170 Encoder by Netzer Precision

VLP-170 Encoder

Offers a 19-21 bit resolution and ±0.006° accuracy, ideal for precision applications in electromagnetic environments.

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VLP-247 Encoder by Netzer Precision

VLP-247 Encoder

Offers a 18-20 bit resolution and ±0.006° accuracy, suitable for industrial environments with electromagnetic challenges.

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VLP-60 Encoder by Netzer Precision

VLP-60 Encoder

Features 18-20 bit resolution and ±0.010° accuracy, designed for high precision in EMI, RFI, and magnetic field environments.

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VLP-80 Encoder by Netzer Precision

VLP-80 Encoder

Features 18-20 bit resolution and ±0.010° accuracy, designed for high precision in EMI, RFI, and magnetic field environments.

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