BS EN ISO 5059-1:2025

This standard BS EN ISO 5059-1:2025 Geometrical product specifications (GPS). Dimensional measuring equipment is classified in these ICS categories:

• 17.040.40 Geometrical Product Specification (GPS)
• 17.040.30 Measuring instruments

This document specifies the most important design and metrological characteristics of two-point inside micrometers: —    with a scale interval or digital step of 0,001 mm and 0,01 mm; —    with analogue or digital indication. This document is applicable to two-point inside micrometers with and without interchangeable extensions. This document does not apply to micrometers fitted with a dial gauge, or to jaw micrometers.