Specification for internal micrometers (including stick micrometers) Ingestion-build-47182 enabling the implementation of environmental

enabling the implementation of environmental testing for quality

EN 71‑9: Organic chemical compounds — Requirements

Compliance with the requirements of BS 5839-1:2002

In product advertisements on the Internet and in reports in international journals

Specification for internal micrometers (including stick micrometers) Ingestion-build-47182 enabling the implementation of environmental1 Scope This standard specifies requirements for internal micrometers comprising a measuring head, extension rods with or without spacing collars, and, in the smaller sizes, a handle. Provision is made for three sizes of measuring heads, in both metric and inch units, as shown in Table 1 and Table 2. NOTE Attention is drawn to the fact that metric dimensions are not necessarily direct conversions of the imperial dimensions. Table 1 Measuring heads