Concept engineers provides gear pcd run-out checking can be moved up and down by 75 mm and admit between centres is device, a high precision measuring unit. This checking device is used for inspecting the run out of pitch and circle diameters of a gear. The gear to be inspected is mounted on an expanding or taper arbor. Repetitive accuracy is less than 0.002 mm. The dial can move up or down by 10 mm. The table can be moved in x-axis by 100 mm. The head mm in z-axis. Centre height is 95 275 mm.