Measurement of fiber optic elements - Part 2: Determination of spectral transmittance of light guides; Text in German and English

Measurement of fiber optic elements - Part 9: Determination of deviation of the roundness and the concentricity of optical fibres

Measurement of fiber optic elements - Part 11: Determination of photometric characteristics of side emitting light guides; Text in German and English

Fire classification of construction products and building elements - Part 3: Classification using data from fire resistance tests on products and elements used in building service installations: fire resisting ventilation ducts and fire dampers and/or power, control and communication cables; German and English version prEN 13501-3:2023

Soil improvers and growing media - Extraction of aqua regia soluble elements

Transportable gas cylinders - Battery vehicles and multiple-element gas containers (MEGCs) - Design, manufacture, identification and testing; German and English version prEN 13807:2024

Soil improvers and growing media - Determination of aqua regia soluble elements

Rotating electrical machines - Part 18-31: Functional evaluation of insulation systems - Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in rotating machines

Optical fibre cables - Part 1-129: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Straight midspan access to optical elements, Method E29

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-44: Tests - Flexing of the strain relief of fibre optic devices and components (IEC 86B/4597/CD:2022); Text in German and English