You can select the probe file for the Sphere probe in PC-DMIS from the Probes list on the Settings toolbar (View | Toolbars | Settings).
To measure the sphere centerpoint:
Select the Sphere probe from the Probe list on the Settings toolbar.
Point the tracker beam at the physical sphere.
Click the Take Hit button, or press Ctrl+H to measure the sphere. PC-DMIS returns the sphere centerpoint as the measured point.
Example of the Edit and Quick Start windows after measuring a sphere with the Sphere probe
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