RLS product video Installation video: AksIM-2 off-axis rotary absolute encoder
RLS product video Explainer video: AksIM-2 self-calibration feature

AksIM-2™ is a non-contact high performance off-axis absolute rotary encoder designed for applications with limited installation space. The compact, low profile readhead detects and evaluates the magnetic field of a thin, axially magnetized ring.


  • Custom magnetic sensor ASIC
  • BiSS C, SSI or Asynchronous serial
  • Self-calibration option
  • No hysteresis
  • Resolutions up to 20 bits


  • True absolute system
  • Improved repeatability
  • Built-in self-monitoring
  • Immunity to external magnetic fields
  • Extended temperature range
Configure and Buy Configure Data sheet

Product data


Encoder type
True absolute encoder
Reading type
Axial, Rotary
Max. resolution
20 bit
Encoder accuracy
±0.05° (before installation - errors caused by mounting inaccuracy of the readhead, ring and drive shaft are not included)
Maximum speed
10,000 RPM


Supply voltage
4.5 V to 5.5 V (at the connector)
Current consumption
Typ. 130 mA, max. 150 mA


Available ring sizes (outer diameter)
29 mm, 39 mm, 49 mm, 53 mm, 64 mm, 80 mm


Operating and storage temperature
–30 °C to +85 °C (obsolete, available only on request), –40 °C to +105 °C (standard)
More info in Data sheet