Renishaw: RGH20 RESR angle encoder system RGH20Z30F12A

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