Visual display performance-marine technology - Part 3: Working conditions, alarms, acknowledgements
Edition 1999-05

Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017); German version EN ISO 7393-2:2018
Edition 2019-03

Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010); German version EN ISO 3744:2010
Edition 2011-02

Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 2: Heavy-duty (S series) and light-duty (L series) stud ends with elastomeric sealing (type E) (ISO 1179-2:2022); German version EN ISO 1179-2:2022
Edition 2023-05

Waterproofing of roofs, balconies and walkways - Part 2: Non-utilized and utilized roofs - Materials
Edition 2024-02

Railway applications - Passenger alarm system - Part 2: System requirements for urban rail; German version EN 16334-2:2020
Edition 2020-05

Gas-fired endothermic engine driven heat pumps - Part 2: Safety; German version EN 16905-2:2020
Edition 2020-03

Safety and control devices for gas burners and gas burning appliances - Part 2: Pressure regulators for inlet pressures above 50 kPa up to and including 500 kPa; German version EN 88-2:2022
Edition 2024-02

Petroleum and natural gas industries - Materials for use in H₂S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low-alloy steels, and the use of cast irons (ISO/FDIS 15156-2:2020); German and English version prEN ISO 15156-2:2020
Edition 2020-09

Optics and optical instruments - Field procedures for testing geodetic and surveying instruments - Part 3: Theodolites (ISO 17123-3:2001)
Edition 2019-01