Encoders with Precision Scaling for Demanding Environments

VLT-100

The Netzer VLT-100 Absolute Rotary Encoder delivers up to 22-bit resolution with 0.006 mdeg accuracy in an ultra-thin (<9 mm) and lightweight (<40g) package. Utilizing advanced capacitive sensing technology, it ensures contactless, high-reliability performance, eliminating mechanical wear for long-term precision.

Engineered for aerospace, robotics, and high-precision automation, the VLT-100 features a hollow, low-inertia design, reducing system mass and improving dynamic response. Need high-resolution rotary feedback in a compact, high-performance form? The VLT-100 is the ultimate solution.

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Features

High precision with superior repeatability
Contactless capacitive sensing for zero wear
Hollow shaft design with optimized mounting tolerance
Low profile and compact form factor
Resilient to EMI, RFI, and magnetic fields
Durable under extreme temperature variations

Unique Values

High precision
Wide mounting
Contact less
Hollow Shaft

Accuracy

±0.006˚
Resolution

17-22 bit
OD

100 mm
ID

48 mm
Height

7 mm
Weight

42 gr

Technical Data

Technical Drawing

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General

Angular resolution 17-22 bit
Nominal position accuracy ±0.006°
Repeatability 0.7 mdeg / 2.5 Arcsec
Maximum operational speed 4,000 rpm
Measurement range Single turn, unlimited
Build In Test BIT Optional
Rotation direction Adjustable CW/CCW (Default same direction from bottom side of the encoder)

Mechanical

Allowable mounting eccentricity ±0.15 mm
Allowable axial mounting tolerance ±0.15 mm
Rotor inertia 17,928 gr · mm²
Total weight 42 gr
Outer Ø /Inner Ø / Height 100 / 48 / 7 mm
Material (stator / rotor) FR4
Nominal air gap (stator, rotor) 1 mm

Electrical

Supply voltage 5V ±5%
Current consumption ~90 mA
Interconnection Cable (standard 250mm)
Communication SSi / BiSS-C
Output code Binary
Serial output Differential RS-422
Clock frequency 0.1 - 5.0 MHz
Position update rate 35 kHz (Optional - up to 375 kHz)

Environmental

EMC IEC 6100-6-2, IEC 6100-6-4
Operating temperature range -55°C to +125°C
Storage temperature -55°C to +125°C
Relative humidity 98% Non condensing
Shock endurance / functional 100g 6msec saw-tooth per IEC 60068-2-27:2009 40g 11msec saw-tooth per MIL-810G
Vibration functional 7.7grms @ 20 to 2000 Hz per MIL-810G Category 24
Protection IP 40

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OD
- 25 mm
- 35 mm
- 60 mm
- 80 mm
- 100 mm
- 140 mm
- 170 mm
- 247 mm
Output
- BiSS
- SSi
Resolution
- 17 bit
- 18 bit
- 19 bit
- 20 bit
- 21 bit
- 22 bit
- 23 bit
Bit
- BIT
Shaft-turn Counter
- 4,096
- 8,192
- 16,384
- 32,768
Cable Options
- Jacket and shielded cable
- Shielded cable
- Wires only
Cable length
- 250 mm Flying leads - 30AWG
- 500 mm Flying leads - 30AWG
- 750 mm Flying leads - 30AWG
- 1000 mm Flying leads - 30AWG
- 250 mm Flying leads - 28AWG
- 500 mm Flying leads - 28AWG
- 750 mm Flying leads - 28AWG
- 1000 mm Flying leads - 28AWG
Rotor Type
- End Shaft - Single Screw Rotor
- Hollow Shaft Encoder
Coating
- Parylene
Custom