ISO 3126:2005 PDF

Scope: This document specifies methods for measurement and/or determination of the dimensions of plastics pipes and fittings and the accuracy of the measurement. It specifies procedures for measuring angles, diameters, lengths, squareness and wall thicknesses for the purposes of checking conformity to geometric limits. NOTE This document is using metric units. However the procedures and tolerances are applicable to other units by using appropriate conversion factors.

ISO 3126:2005 Referenced Document

ISO 3599 Vernier Caliper Technical Corrigendum 1 for 0.1mm and 0.05mm Readings
ISO 3611 Geometrical product specifications (GPS) — Dimensional measuring equipment — Design and metrological characteristics of micrometers for external measurements*， 2023-05-01 Update
ISO 6507-1 Metallic materials — Vickers hardness test — Part 1: Test method*， 2023-08-01 Update
ISO/R 463 Dial gauges reading in 0.01 mm, 0.001 in and 0.000 1 in

2005 ISO 3126:2005 Plastics piping systems - Plastics components - Determination of dimensions
1974 ISO 3126:1974 Plastics pipes; Measurement of dimensions