Miniature Rotary Encoder for Tight Spaces : Compact & Precise

DL-25

The Netzer DL-25 Absolute Rotary Encoder is a high-precision shafted solution designed for demanding motion control applications. Offering 21-bit resolution and 0.02-degree accuracy, this encoder provides reliable contactless sensing for long-term durability. Engineered for aerospace, robotics, and industrial automation, its rugged shafted design ensures seamless integration into existing systems while maintaining exceptional performance.

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Features

21-bit resolution for high-precision motion control
Robust shafted design for stable and accurate feedback
EMI, RFI, and magnetic interference-resistant architecture
Precision-machined shaft system for high durability and minimal wear
Optimized for compact industrial and robotic applications

Unique Values

High precision
Light weigth
Ressitance to shock
Immunity to Magnetic

OD

25 mm
ID

4 mm
Weight

30 gr
Resolution

17-21 bit
Accuracy

±0.020˚

Technical Data

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General

Angular resolution 17-21 bit
Maximum tested static error ±0.030°
Extended accuracy static error ±0.020°
Repeatability 2.7 mdeg / 9.9 Arcsec
Maximum operational speed 1,500 rpm
Measurement range Single Turn Absolute with optional shaft turn counter
Rotation direction Adjustable CW/CCW (Default same direction from bottom side of the encoder)

Mechanical

Starting torque 30 x 10-4 N.m
Shaft radial force (max) 100 N
Total weight 30 gr
Outer diameter / Profile / Shaft 25 / 24.3 / 4 mm
Material (case, shaft) Aluminum / Stainless steel

Electrical

Supply voltage 5V ± 5%
Current consumption 90 mA
Interconnection Shielded cable
Cable length 1,500 mm MAX
Interface SSi / BiSS - C
Output code Binary
Serial output Differential RS-422
Clock Differential RS-422
Clock frequency 0.1 ÷ 5.0 MHz
Position update rate (Max) 35 KHz

Environmental

EMC IEC 6100-6-2, IEC 6100-6-4
Operating temperature range -40°C to +85°C
Storage temperature -50°C to +100°C
Shock endurance 100 g for 11 ms
Vibration endurance 20 g 10 – 2000 Hz
Protection IP 65

Miniature Rotary Encoder using absolute rotary encoder technology

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OD
- 25 mm (ID - 4 mm)
- 27 mm (ID - 4 mm)
- 66 mm (ID - )
Communication
- BiSS
- SSi
Resolution
- 17 bit
- 18 bit
- 19 bit
- 20 bit
BIT
- Disabled
- Enabled
Cable Type
- Connector (D38999)
- Jacket and shielded cable
Cable Size
- 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
Extended Accuracy
- Enabled
- Disabled