Touch and close fasteners - Determination of the overall and effective widths of tapes and the effective width of a closure; German version EN 12240:1997
Edition 1997-08

Ellipsometry - Part 6: Effective Materials model; Text in German and English
Edition 2024-02

Calculation of the effective parameters of magnetic piece parts (IEC 60205:2016); German version EN 60205:2017
Edition 2017-09

Connectors for electronic equipment - Tests and measurements - Part 23-7: Screening and filtering tests - Test 23g: Effective transfer impedance of connectors (IEC 60512-23-7:2005); German version EN 60512-23-7:2005
Edition 2005-10

Calculation of the effective parameters of magnetic piece parts (IEC 60205:2016/COR1:2018); German version EN 60205:2017/AC:2018-09
Edition 2018-12

Measurement of quartz crystal unit parameters - Part 11: Standard method for the determination of the load resonance frequency fL and the effective load capacitance CLeff using automatic network analyzer techniques and error correction (IEC 60444-11:2010); German version EN 60444-11:2010
Edition 2011-06

Animal feeding stuffs, animal products, and faeces or urine - Determination of gross calorific value - Bomb calorimeter method (ISO 9831:1998); German version EN ISO 9831:2003
Edition 2004-02

Measurement of fiber optic elements - Part 10: Determination of illuminance and effective aperture angle of cold light sources; Text in German and English
Edition 2011-09

Measurement of fiber optic elements - Part 3: Determination of acceptance angle of light guides; Text in German and English
Edition 2021-02

Soil quality - Determination of effective cation exchange capacity and base saturation level using barium chloride solution (ISO 11260:2018); German version EN ISO 11260:2018
Edition 2018-11