Where can I learn all kinds of measuring instruments, such as profilometer, CMM and altimeter?

Want to learn all kinds of measuring instrument knowledge, such as profilometer three coordinates, there are the following methods.

Participate in training courses such as rules and regulations, profilometer and coordinate system. There are corresponding rules, and there are formal rules and regulations training classes to sign up for.

Participate in the training organized by enterprises. Some profilometers, CMM and other production enterprises will hold various trainings regularly, just register.

To study in an enterprise's online classroom, some big brands will have online classrooms where they can study online.

My own enterprise invites teachers to come to the company for lectures, training and study.