German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 51: Calibration of analytical methods - Linear calibration (A 51)
Edition 2017-05

Measurement of traffic noise
Edition 2004-06

Underwater Acoustics - Calibration of acoustic wave vector receivers in the frequency range 5 Hz to 10 kHz (IEC 87/770/CD:2021); Text in German and English
Edition 2022-08

Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth (ISO 3310-1:2016)
Edition 2017-11

Sharps injury protection - Requirements and test methods - Sharps protection features for single-use hypodermic needles, introducers for catheters and needles used for blood sampling (ISO 23908:2011); German version EN ISO 23908:2013
Edition 2013-10

Textiles - Quantitative chemical analysis - Part 4: Mixtures of certain protein fibres with certain other fibres (method using hypochlorite) (ISO 1833-4:2023); German version EN ISO 1833-4:2023
Edition 2023-12

Air quality - Assessment of air quality monitoring equipment - Part 3: Performance criteria and test procedures for stationary automated measuring systems for continuous monitoring of emissions from stationary sources; German version EN 15267-3:2023
Edition 2024-09

Hydrometry - Water level measuring devices (ISO 4373:2022); German version EN ISO 4373:2022
Edition 2022-12

Calibration of fibre-optic power meters (IEC 61315:2019); German version EN IEC 61315:2019
Edition 2020-07

Quality management - Customer satisfaction - Guidelines for monitoring and measuring (ISO 10004:2018)
Edition 2019-07