Hengstler ICURO RI59 Incremental Encoders

Hengstler ICURO RI59 Incremental Encoders is characterized by being particularly flexible. There are a number of different versions offering a range of flanges and connections.

From cost-aware standard types to extremely robust heavy-duty products, HENGSTLER can supply the right incremental rotary encoder for every application. With optical incremental rotary encoders, a line-coded disc made of metal, plastic, or glass and mounted on a rotary bearing interrupts a beam of light from a light-emitting diode.

The number of lines determines the resolution, i.e. the number of measured points in one revolution. The interruptions of the light beam are sensed by the receptor element and electronically processed. The information is then made available as a rectangular signal at the encoder output. HENGSTLER can provide rotary encoders with up to 10,000 pulses per revolution.

These encoders are suitable for high shock loads and feature high signal accuracy and up to 40,000 steps with 10,000 marks and are particularly well suited to use in machine tools, CNC axes, packaging machines, motors/drives, injection molding machines, and sawing machines.

Hengstler ICURO RI59 Features

  • Universal industrial rotary encoders
  • Up to 40,000 steps with 10,000 lines
  • High degree of signal accuracy
  • Ingress protection up to IP67
  • Flexible application thanks to many flanges and connection options
  • Suitable for high jolt loads


Machine tools, CNC axes, packaging machines, Motors/ Drives, Injection molding machines, Sawing machines


Product Family RI59
Ordering Information Rotary Encoder RI59
Function / Application Incremental
Technology Optical
Approval UL
Housing Diameter [mm] 58 mm
Solid- / Hollow Shaft Solid 9,52 … 10 mm
Protection Rating Housing IP67
Operating Temperature [°C] -10 … +70 °C
Housing Option Stainless Steel
Increased Environmental Requirements Chemical resistance
Seawater resistant
Connection Cable
Revolutions [rpm] 10,000 rpm
Number of Pulses 2 … 10000
Interface Push-pull
Push-pull complementary

Ref: hengstler.de

Download Data Sheet: Incremental Encoders ICURO RI59

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