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Incremental bearing-free rotary encoder – GEL SEI10

Compact 2-channel Hall effect high-speed rotational speed sensor

  • Maintenance and wear-free speed sensor using magnetic scanning
  • Scanning of measuring scales (for example, target wheels made of ferromagnetic materials)
  • Reliable detection of high rotational speeds to creeping (0 Hz to 40 kHz)
  • Most reliable direction of rotation detection by evaluating two channels
  • Robust and compact stainless steel housing for use in harsh and confined applications
Inquiry & Support

Technical information

Properties

  • Incremental, differential measuring 2-channel speed sensor based on the magnetic principle
  • Highest signal quality for reliable evaluation in control systems
  • Customized assembly options
  • High EMC immunity for interference-free signal transmission in challenging industrial environments
  • Complies with the strict requirements of DIN EN 50155 and UNECE R10
  • Highest product quality with optional certification in accordance with DNV, SIL, ATEX or IECEx
  • ASIL B (D) compliant (ISO 26262) or SIL 2 to SIL 3 (IEC 61508) (on request by selectable error detection)

Advantages

  • Optimized lifecycle cost
  • Maintenance and wear-free
  • Space-saving and compact
  • Simple integration
  • Easy to install thanks to highly advanced calibration technology
  • High signal quality
  • Cost-effective
  • Suitable for safety applications

Downloads

Downloads

Product Document Languages
GEL SEI10 Technical information DE EN
Product information* DE/EN

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Field of application

High-resolution detection of rotational speed and direction of rotation in motors, vehicle chassis or directly on wheels, especially robust for heavy-duty applications.

  • On- and off-road industrial vehicles
  • Agricultural vehicles
  • Special purpose machine construction

Dimensional drawings

All dimensions in mm [inch]

Technical data

Power supply

Option A 5 V

Option B 24 V

Electrical data

Supply voltage UB(reverse polarity protected)

5 V DC ± 10 %
4.5 to 5.5 V DC

4.5 to 24 V DC

Current consumption IB(without load)

Maximum: 30 mA

Maximum: 70 mA

Frequency range

Maximum: 40 kHz

Duty cycle

Typical: 50% (minimum: 40 % / maximum: 60 %)

Phase offset

Typical: 90° (minimum: 70° / maximum: 110°)

Mechanical data

Housing material / Flange material

Stainless steel (aluminum and brass possible upon request)

Sensor weight (incl. 2 m cable)

approx. 140 g

Cable data

Cable

halogen-free and screened

Cable diameter

5.2 ± 0.1 mm

Cable cross section

4 × 0.5 mm2

Minimum bending radius static/dynamic

16 mm / 27 mm

Environmental tests
Working and operating temperature -40 °C to +125 °C
Storage temperature -40 °C to +125 °C
Dielectric strength 500 V AC/750 V DC (DIN EN 50155:2022-06)
Electromagnetic compatibility DIN EN 61000-4-2:2009-12 (only ESD handling)
DIN EN 61000-4-4:2013-04 (fast transients and burst)
VO043644-21-100941 (UNECE R10) VW TL81000
(2021-19)
- Interference Emission Antennas (RE-Test)
- Interference Immunity Antenna ALSE
- Interference Immunity Current Injection (BCI)
Salt spray test ISO 9227-11
Vibration resistance ISO 16750-3
Chemical loads ISO 16750-5
Degree of protection on measuring side IP 67
Vibration resistance DIN EN 61373:2011-04 (shocks and vibration)
DIN EN 60068-2-6:2008-10 (sinusoidal vibration)
MTTF value 2,000,000 h at 55 °C

Requirements for the target wheel

Material

Ferromagnetic steel

Tooth form

Involute gear teeth as per DIN 867 (others upon request)

Width

≥ 10 mm (smaller upon request)

Module m

1.00/1.25/1.50/1.75/2.00