P Profile projector is a device for measuring or checking the object or surface of the workpiece by projecting on a screen. Projected image on the screen is being examined or measured, and not a direct measure on the thing works. Each axis of movement of this machine has a fairly high geometric accuracy, better straightness, parallelism, ketegaklurusan, and flatness of the components of the relative precision. In the measurement process for measuring objects that are difficult and complicated and many-dimensional measurements to be carried out, with this machine can beimplemented easily, accurately, precisely and quickly. Nevertheless stillrequired operators who have the expertise and skills in the field of •dimensional accuracyIn the test to feast&y_of the libration system using a ProfileProjector and Universal Bevel Gauge Block Protactor needed a methodology to conduct research on the discussion of this object, the object of which would be the type of calibration is a Profile Projector PJ 300 MITUTOYO.