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Renishaw: Compact Readhead RGH20D50A00A
Renishaw: Compact Readhead RGH20D50A00A
 

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Renishaw: Compact Readhead RGH20D50A00A

A compact readhead for use with 20 um RESR rotary encoders and RSLR high accuracy linear scale

The RGH20 is a compact readhead for use with Renishaw's range of 20 um RESR rotary encoders and RSLR high accuracy linear scale.

Like all Renishaw encoders, the RGH20 offers reliable, high-speed, open, non-contact performance with excellent immunity to dust, scratches and light oils on the scale.

The RGH20 also benefits from Renishaw's integral readhead set-up LED which simplifies installation and monitors signal condition during operation.

Digital and analog RGH20: RGH20D - 5 um resolution

Features

  • Readhead size: 36 x 13.5 x 14.8 mm
  • Resolutions to 10 nm
  • Speed up to 8 m/s (up to 2 938 rpm depending on ring size and resolution)
  • Analogue or digital outputs
  • Low Sub-Divisional Error (SDE): typically ±0.15 µm

Specifications:

  • Compatible with 20 um RESR angle encoder and RSLR high-accuracy linear scales.
  • Filtering optics provide excellent dirt immunity.
  • Compact and robust housing.
  • Industry-standard digital and analog outputs.
  • Integral interpolation and set-up LED on RGH20 option.
  • Resolutions 5 um
  • Reference mark or single limit switch sensor.
  • Hi-flex double-screen 8-core cable.


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