This document applies to all devices used for butt fusion of plastic pipes and fittings. The calibration involves the operation of the welding equipment. Additionally, national safety regulations shall be observed. The pressure gauge shall be calibrated. The accuracy of the pressure gauge shall be 1 % of full scale.
Systems and software engineering - Software life cycle processes - Part 2: Relation and mapping between ISO/IEC/IEEE 12207:2017 and ISO/IEC 12207:2008 (ISO/IEC/IEEE 12207-2:2020, IDT)
Systems and software engineering - Systems and software assurance - Part 1: Concepts and vocabulary (Adopted ISO/IEC 15026-1:2013, first edition, 2013-11-01)
