German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the settleable matter by volume in water and waste water (H9)
Edition 1980-07

Acceptance sampling procedures by attributes - Accept-zero sampling system based on credit principle for controlling outgoing quality (ISO 28593:2017); Text in German and English
Edition 2019-02

Industrial-process control systems - Methods of evaluating the performance of valve positioners with pneumatic outputs (IEC 61514:2000); German version EN 61514:2002
Edition 2002-11

Testing of liquid mineral hydrocarbons - Determination of mercaptan sulfur content - Potentiometric method
Edition 2010-08

Pumps - Rotodynamic pumps - Minimum required efficiency of water pumps and determination of Minimum Efficiency Index (MEI); German version EN 16480:2021
Edition 2022-07

Magnetic materials - Part 13: Methods of measurement of resistivity, density and stacking factor of electrical steel strip and sheet (IEC 60404-13:2018); German version EN IEC 60404-13:2018
Edition 2020-06

Magnetic materials - Part 14: Methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method (IEC 60404-14:2002); German version EN 60404-14:2002
Edition 2003-02

Ophthalmic optics and instruments - Reporting aberrations of the human eye (ISO 24157:2008 + Amd 1:2020); German version EN ISO 24157:2008 + A1:2020
Edition 2020-06

Surface active agents; technical alkane sulfonates; determination of total alkane sulfonates content
Edition 1982-04

Process measurement and control devices - General methods and procedures for evaluating performance - Part 3: Tests for the effects of influence quantities (IEC 61298-3:2008); German version EN 61298-3:2008
Edition 2009-08