Fibre optic interconnecting devices and passive components - Performance standard - Part 085-02: Non-connectorized single-mode pigtailed CWDM devices for category C - Indoor controlled environment (IEC 61753-085-02:2021); German version EN IEC 61753-085-02:2021
Edition 2023-07

Indoor air - Part 34: Strategies for the measurement of airborne particles (ISO 16000-34:2018)
Edition 2019-01

Fibre optic interconnecting devices and passive components - Performance standard - Part 082-02: Pigtailed single-mode fibre optic 1,31/1,55 µm WWDM devices for category C - Indoor controlled environment (IEC 61753-082-02:2024); German version EN IEC 61753-082-02:2024
Edition 2025-06

Ventilation for buildings - Determining performance criteria for residential ventilation systems; German version EN 15665:2009
Edition 2009-07

Passive components to be used in optical fibre communication systems - Product specifications - Part 3-2: Type 4/8 channel CWDM module terminated on IEC 60793-2-50 category B1.1 and B1.3 single mode fibre; German version EN 50378-3-2:2007
Edition 2008-02

Safety of machinery - Assessment and reduction of risks arising from radiation emitted by machinery - Part 1: General principles; German version EN 12198-1:2000+A1:2008
Edition 2008-11

Fibre optic interconnecting devices and passive components - Performance standard - Part 089-02: Non-connectorised single-mode bidirectional OTDR monitoring WWDM for category C - Indoor controlled environment (IEC 61753-089-02:2022); German version EN IEC 61753-089-02:2022
Edition 2023-06

EDIFACT - Implementation guide - Part 17: Use of the message type PRODAT for the transfer of product data
Edition 2007-02

Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods; German version EN 15910:2014
Edition 2014-07

Water quality - Sampling - Part 15: Preservation and handling of samples of sludge, sediment and suspended matter (ISO/DIS 5667-15:2025); German and English version prEN ISO 5667-15:2025
Edition 2025-08