Hengstler ACURO AX70 Absolute Rotary Encoder

Hengstler ACURO AX70 Absolute Rotary Encoder with an alumunium housing have been designed specifically for use in potentially explosive atmospheres. The pressure-resistant housing has been developed in compliance with the EN 60079 series of standards for use in explosive atmospheres and is permitted for use in environments where there is a risk of gas or dust explosion, zones 1 and 21. The encoders are available with a number of interfaces for use in various applications.

HENGSTLER’s ACURO absolute rotary encoders offer innovative engineering, easy operation and optimized functional dependability. The platform-based concept enables particularly compact construction and modular internal components.

As a result of this sophisticated modular system, HENGSTLER is in a position always to provide the right variant for applications involving motor feedback and automation. Equipped with an open BiSS sensor interface, these rotary encoders are ideal for all requirements and prepared for the future.

Hengstler ACURO AX70 Absolute Rotary Encoder Features

  • ATEX certificate for gasn and dust explosion-proof use
  • Ingress protection up to IP67
  • Diameter only 70 mm
  • High degree of robustness
  • Also available with rust-resistant stainless steel housing
  • Resolution up to 29 bits (17 bits ST, 12 bits MT)


Paint shops, Petrochemicals, Bagging systems, Mixing installations, Silo installations, Mills.

Hengstler ACURO AX70 Absolute Rotary Encoder Specification

Product Family AX70
Ordering Information Rotary Encoder AX70
Function / Application Absolute
Technology Optical
Approval CE
Housing Diameter [mm] 70 mm
Solid- / Hollow Shaft Solid 10 mm
Protection Rating Housing IP64 / IP67
Ambient Temperature [°C] -40 … +60 °C
Housing Option Alumunium
Increased Environmental Requirements Ex atmosphere
Connection Cable
Revolutions [rpm] 10,000 rpm
Resolution ST [Bit] 10 … 17 Bit
Resolution MT [Bit] 12 Bit
Interface BiSS / SSI
SSI programmable

Download Data Sheet: Absolute Rotary Encoder ACURO AX70

Ref: hengstler.de

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