Regular requalification of your probe using Renishaw’s universal datum sphere enhances the performance of your manual or fully automated CMM.

Datum sphere
The spheres are made from hard-wearing tungsten carbide and are available in five different diameters:

  • 12 mm
  • 19 mm
  • 25 mm
  • 3/4 in
  • 1 in

Each sphere kit comprises:

  • One datum sphere
  • Pivot pillar, base, ‘C’ spanner
  • Ball certificate and storage box
  • Adaptor for twin ball applications (optional)

Ball stems can quickly and easily be adjusted over a wide range of probe datuming angles.

Renishaw datum spheres are supplied with their own individual certificate, traceable to UK (NPL) standards.