Petroleum and natural gas industries - Completion fluids and materials - Part 5: Procedures for measuring the long-term conductivity of proppants (ISO 13503-5:2006); English version EN ISO 13503-5:2006
Edition 2006-10

Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German and English version prEN 14211:2022
Edition 2022-11

Medical electrical equipment - Dosimeters with ionization chambers as used in radiotherapy (IEC 60731:2011 + AMD 1:2016); German version EN 60731:2012 + A1:2022
Edition 2023-05

Water quality - Estimation of measurement uncertainty based on validation and quality control data (ISO/DIS 11352:2024); Text in German and English
Edition 2024-09

Aerospace series - Filler metals for welding - Part 002: Authorized filler metals; German and English version EN 4877-002:2023
Edition 2023-08

Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2020); German version EN IEC 60268-16:2020
Edition 2021-10

Reliability testing - Compliance tests for constant failure rate and constant failure intensity (IEC 61124:2012); German version EN 61124:2012
Edition 2013-01

Fire resistance tests for service installations - Part 9: Single compartment smoke extraction ducts; German and English version prEN 1366-9:2023
Edition 2023-05

Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2023); German and English version prEN ISO 14903:2023
Edition 2023-09

Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 2: Verification and calibration of testing machines (ISO/DIS 14577-2:2024); German and English version prEN ISO 14577-2:2024
Edition 2024-09