Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 6: Wedge meters (ISO 5167-6:2022); German version EN ISO 5167-6:2022
Edition 2023-08

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 3: Nozzles and Venturi nozzles (ISO 5167-3:2022); German version EN ISO 5167-3:2022
Edition 2023-08

Facilities and chemical and microbiological procedures used on water vehicles and maritime constructions for drinking water protection, taking corrosion and water quality into consideration
Edition 2011-02

Quantities and units - Part 11: Characteristic numbers (ISO 80000-11:2019); German version EN ISO 80000-11:2020
Edition 2022-10

Viscometry; determination of kinematic viscosity using the Ubbelohde viscometer; viscosity relative increment at short flow times
Edition 1985-05

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes (ISO 5167-4:2022); German version EN ISO 5167-4:2022
Edition 2023-08

Viscometry - Measurement of viscosities and flow curves by means of rotational viscometers - Part 3: Errors of measurement and corrections
Edition 2008-09

Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique); German version EN 15204:2006
Edition 2006-12

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2022); German version EN ISO 5167-1:2022
Edition 2023-08

Chimneys - Clay/ceramic flue blocks for single wall chimneys - Requirements and test methods; German version EN 1806:2006
Edition 2006-10