
Key highlights
The Netzer VLS-80 absolute rotary encoder delivers up to 23-bit resolution with 0.006 Degree accuracy, housed in an ultra-thin (<6.6 mm), lightweight (<21g) form. Using advanced capacitive sensing technology, it ensures contactless, contamination-free operation—perfect for satellite mechanisms, space optics, and ultra-clean environments. Its hollow, low-inertia structure allows easy integration into weight-sensitive and vacuum-rated applications where ultimate precision is required.
Already deployed by leading space-comms teams, Netzer VLS encoders power Acquisition, Pointing & Tracking (APT) mechanisms and optical links—OISLs, FSO, DSOC, and ISLs. The VLS series provides precise, stable position data that supports tight beam steering, quick lock-on, and sustained tracking performance, improving link availability and payload throughput.
Key features:
- COTS space-tested for uncompromised dependability in aerospace applications
- Versatile hollow shaft with a wide inner diameter for flexible mounting
- Industry-leading precision under 0.006 degrees
- Wear-free performance ensured by contactless operation
- Ultra-lightweight build to minimize system inertia
- High reliability with extended mean time between failures
Netzer Certifications & Quality Standards
At Netzer, quality is embedded in every stage of our operations—from product design and software development to customer support and training. Our processes are governed by internationally recognized standards, ensuring consistent performance, reliability, and customer satisfaction.
We are certified to:
AS9100 – Aerospace-grade quality management
ISO 13485:2016 – Medical device quality systems
ISO 9001:2015 – Global quality management standard
In addition, our products comply with:
REACH
RoHS
These certifications reflect our commitment to rigorous quality control, continuous improvement, and delivering high-precision encoder solutions for the most demanding industries, including aerospace, medical, and advanced industrial applications.
Applications
- Satellite instruments and space systems
- Aerospace gimbals and stabilization platforms
- Optical communication systems (APT, OISL, FSO, DSOC, ISL)
- Cleanroom automation and semiconductor equipment
- Vacuum-compatible robotics
- Precision positioning and motion control systems
- Photonics and electro-optical platforms
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Last updated: 2026-04-16
VLS-80| Leo - Space | Hollow Shaft

Downloads
- CAD model(995.61 KB)
- Datasheet(1.76 MB)
- ICD(3.92 MB)
- Option sheetRequest
- User manual(3.53 MB)
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