ISO 3611:1978

Micrometer callipers for external measurement

Specifies the most importent dimensional, functional and quality characteristics for measurements. Table 1 covers parameters for the measuring ranges from 0 mm up to and including 500 mm which are devided in steps of 25 mm each. Annex A refers to measurement errors within the measuring range; annex B contains instruction for application; annex C includes recommendations for testing.