Headquarters: SIKO GmbH Weihermattenweg 2 79256 Buchenbach Germany Phone+49 7661 394-0

Magnetic ring MRI01

Incrementally coded ring with permanently connected flange, 64 poles

Profile MRI01:

  • Easy hollow-shaft mounting
  • Rotary encoder system with IP67 protection category (in combination with MSK320)
  • Up to 4096 pulses/revolution (16384 increments)

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Mechanical data
FeatureTechnical dataAdditional information


Table of dimensions
Diameter D [mm]50
Circumference [mm]157
Speed n [min-1]≤9550
System data
FeatureTechnical dataAdditional information
Pole length2.453 mm
System accuracy±0.5°

at TU = 20 °C

Measuring range360°
Number of poles 64
Scaling factor
of sensor
64 4096
32 2048
20 1280
16 1024
10 640
8 512
5 320
4 256
1 64

Table applies to the combination of MRI01 with MSK320

Ambient conditions
FeatureTechnical dataAdditional information
Ambient temperature0 … 60 °C
Storage temperature-20 … 85 °C
Relative humidity100 % condensation admissible
Magnetic ring MRI01
Scope of delivery
  • MRI01
Ordering table
Feature Order data Specifications Additional information
Pole number
64 poles
others on request
Bore diameter
ø20 mm
ø9 mm
others on request≤ø35 mm
Ordering key

MRI01 - A - B - MNG

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Anja Wickersheim

Anja Wickersheim
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