Hengstler ACURO AX71 Absolute Rotary Encoder

Hengstler ACURO AX71 Absolute Rotary Encoder with a stainless steel 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 ACURO AX71 Features

  • ATEX certificate for gas 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.

Another Article:

Hengstler ACURO AX71 Specification

Product Family AX71
Ordering Information Rotary Encoder AX71
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 Stainless Steel
Increased Environmental Requirements Chemical resistance
Seawater resistant
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

Ref: hengstler.de

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Download Data Sheet: Absolute Rotary Encoder ACURO AX71

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