Sensors used in coordinate metrology are based on various physical principles. Several different sensors are often needed to measure areas of the same workpiece surface that have different properties. With a multisensory coordinate measuring machine, such measurements can be performed without changing machines, and all of the measurement results are provided in the same coordinate system.

AUTOMATION of coordinate measuring technology started in early 1970s with tactile measurements. In 1977, the Werth Tastauge (Probing Eye) marked the start of development for automated optical coordinate measuring machines. The Werth Inspector of 1987 combined an image processing sensor with a laser distance sensor, resulting in a 3D CNC multisensory coordinate measuring machine. Additional sensors were developed over the following years and integrated into coordinate measuring machines to solve various measurement tasks.

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