ERA 4000 series

Incremental optical angle encoders with optimized scanning

  • Very high accuracy and excellent signal quality
  • Steel scale drum with three-point centering or centering collar
  • Graduation accuracy: ±1.7” to ±5”
  • Signal periods: 3000 to 52,000
  • Diameters: 76 mm to 560 mm
  • Interface: 1 VPP
Reliable scanning

The ERA 4000 series angle encoders feature very high scanning reliability thanks to large scanning fields and special signal processing. This, along with their robust graduation and wide mounting and operating tolerances make for a dependable complete system.

Universally deployable

Universal usage is possible thanks to a wide range of drum diameters, drum geometries, graduation accuracies, and interfaces. Applications include highly accurate rotary axes in machine tools, fast rotating spindles, and highly accurate applications in the metrology and electronics industries.

Application-oriented design

Information about the product

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Simple mounting without loss of accuracy

This massive drum structure prevents any loss of accuracy during mounting. The three-point centering method makes mounting quick and easy.

LED status display

The angle encoders of the ERA 4000 series feature an LED that shows the accuracy of the mounting as well as provides information on the encoders operational status.

Product variants

You will be forwarded to the HEIDENHAIN corporate site to view a list of product variants and their documents.