These types of gages are specially designed for tests in the series production. Two swivelling measuring arms are provided for the external gauging, one measuring slide is provided for the internal gauging of the turned parts.
Swivelling in and out the measuring holder against positive stops prevents repeated adjustments of the measuring instrument at the work piece. The gages are available in various sizes and designs to fit diameters from 0.8 till 240 mm.
Concentricity gage RPG comes with various choices such as in electric drive and pneumatic swivelling arm. Also, the device comes with cross slide for surface measuring. The measuring slide is along with sleeve and support prism respectively. It has also an articulated gauging arm with holder for gauging instruments.