Fibre optic interconnecting devices and passive components - Performance standard - Part 087-2: Non-connectorized single-mode bidirectional 1310 nm upstream and 1490 nm downstream WWDM devices for category C - Controlled environment (IEC 61753-087-2:2010); German version EN 61753-087-2:2011 + AC:2011
Edition 2011-12

Fibre optic interconnecting devices and passive components - Performance standard - Part 141-2: Fibre optic passive chromatic dispersion compensator using single-mode dispersion compensating fibre for category C - Controlled environments (IEC 61753-141-2:2011); German version EN 61753-141-2:2011
Edition 2012-02

Fibre optic interconnecting devices and passive components performance standard - Part 062-6: Non-connectorized single-mode fibre optic pigtailed isolators for category O - Uncontrolled environment and sequential test (IEC 61753-062-6:2007); German version EN 61753-062-6:2008
Edition 2008-09

Gas meters - Diaphragm gas meters; German version EN 1359:2017
Edition 2017-11

Colorimetry - Part 4: CIE 1976 L*a*b* colour space (ISO/CIE 11664-4:2019); German version EN ISO/CIE 11664-4:2019
Edition 2020-03

Chemicals used for treatment of water intended for human consumption - Sodium chlorate; German version EN 15028:2012
Edition 2013-01

Information technology - Security techniques - Security requirements for cryptographic modules (ISO/IEC 19790:2012, Corrected version 2015-12); German version EN ISO/IEC 19790:2020
Edition 2020-08

Non-destructive testing - Characterization and verification of ultrasonic test equipment - Part 2: Probes (ISO 22232-2:2020); German version EN ISO 22232-2:2020
Edition 2021-09

Ophthalmic optics - Contact lenses - Part 3: Measurement methods (ISO 18369-3:2017, Corrected version 2017-10-01); German version EN ISO 18369-3:2017
Edition 2018-04

Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 603: Nuclear radiation; German and English version EN 3745-603:2008
Edition 2009-06