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DIN 863-1:2017
Geometrical product specifications (GPS) - Micrometers - Part 1: Micrometers for external measurements; maximum permissible errors
The document applies to standard design micrometer callipers for external measurement for dimensions up to 500 mm, with a maximal measuring range of 25 mm and with a scale interval and a resolution of 0,01 mm respectively. It specifies the most important dimensional, functional and quality characteristics of micrometers and their testing.
Deutsches Institut für Normung [din]