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Overview ISO 6142-1:2015/Amd 1:2020 is an important amendment to the international standard governing the preparation of calibration gas mixtures through the gravimetric method for Class I mixtures.…
Overview ISO 6141:2015/Amd 1:2020 is an important amendment to the international standard ISO 6141:2015, which specifies the contents of certificates for calibration gas mixtures used in gas analysis…
Overview EN ISO 6143:2025 (ISO 6143:2025) - "Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures" - defines standardized comparison methods to d…
Overview EN ISO 6149-1:2022 (ISO 6149-1:2022) defines metric ports with truncated housings for O‑ring sealing used in hydraulic fluid power and general-purpose equipment. Part 1 of the ISO 6149 serie…
Overview EN ISO 6141:2015/A1:2020 is Amendment 1 to ISO 6141:2015, published by CEN in February 2020. This amendment provides a cross-reference table that maps the required contents of certificates f…
Overview EN ISO 6145-1:2019 - "Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 1: General aspects" provides a consolidated, practical introduction to the dynamic t…
Overview EN ISO 6145-7:2018 - "Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers" (CEN adoption of ISO 6145-7:2018) defines a contin…
Overview EN ISO 6149-4:2017 specifies the dimensions, design, test methods and performance requirements for external hex and internal hex port plugs intended for use with ISO 6149‑1 ports in fluid po…
Overview - EN ISO 6145-6:2017 (Critical flow orifices) EN ISO 6145-6:2017 specifies a dynamic method for preparing calibration gas mixtures using critical flow orifices. The standard covers preparati…
Overview EN ISO 6142-1:2015 (ISO 6142-1:2015) - "Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures" defines a gravimetric, traceable method for…
Overview EN ISO 6141:2015 (ISO 6141:2015) - "Gas analysis - Contents of certificates for calibration gas mixtures" - specifies the minimum information that must appear on certificates for homogeneous…
Overview EN ISO 6145-5:2010 (ISO 6145-5:2009) defines the use of capillary calibration devices and gas dividers for the continuous, dynamic volumetric preparation of calibration gas mixtures. The sta…
Overview EN ISO 6145-9:2010 (ISO 6145-9:2009) specifies the saturation method for continuous preparation of calibration gas mixtures by dynamic volumetric techniques. It is intended for mixtures that…
Overview EN ISO 6145-11:2008 - Gas analysis: Preparation of calibration gas mixtures using dynamic volumetric methods - Part 11: Electrochemical generation specifies a method to prepare calibration g…
Overview EN ISO 6145-8:2008 (ISO 6145-8:2005) specifies the diffusion method for preparing low‑concentration calibration gas mixtures using dynamic volumetric techniques. The standard covers generati…
Overview EN ISO 6145-4:2008 - Gas analysis: Preparation of calibration gas mixtures using dynamic volumetric methods - Part 4: Continuous syringe injection method (ISO 6145-4:2004) specifies a standa…
Overview EN ISO 6145-10:2008 (ISO 6145-10:2002) - Gas analysis: Preparation of calibration gas mixtures using dynamic volumetric methods - Part 10: Permeation method. This standard defines a dynamic…
Overview SIST EN ISO 6149-2:2007 specifies the requirements for heavy-duty (S series) stud ends used in hydraulic fluid power systems and general applications, featuring metric threads in accordance…
Overview EN ISO 6149-3:2007 / ISO 6149-3:2006 specifies the dimensions, design, test methods and performance requirements for metric light‑duty (L‑series) stud ends with ISO 261 metric threads and O‑…
Overview EN ISO 6149-2:2007 specifies the requirements for heavy-duty (S series) stud ends used in hydraulic fluid power systems and general applications, featuring metric threads in accordance with…
Overview EN ISO 6144:2006 (identical to ISO 6144:2003) defines a static volumetric method for preparing calibration gas mixtures used in gas analysis. The standard specifies how to prepare binary or…