The full form of CMM is Coordinate Measuring Machine. It is an advanced measurement machine works for measure complex and large component. CMM is a device for measuring the physical characteristics of an object. The machine is controlled by a computer or an operator.
A spirit level is a basic bubble instrument such like It is an angular measuring device in which the bubble always moves to the highest point of a glass vial mounted top surface on Spirit Level.
Vernier caliper and Micrometer both are widely used in industries for daily quality control. Both are simple to use and easy for measurement.
The gauge uses to check the thickness of an object. Dial thickness gauge uses a Dial Indicator for comparison.
CMM probs convert physical measurements into electrical signals. CMM probes have a wide classification for direct and comparative measurements.