Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-2: Normalized railway noise spectrum and single number ratings for direct sound field applications
Edition 2024-02-01

Plant biostimulants - Determination of the anaerobic plate count
Edition 2023-05-15

Load carrying capacity of rolling bearings; static load ratings; calculation method of static load carrying capacity
Edition 1989-02-01

Testing of flue gases of oil burning systems - Determination of the smoke soot number
Edition 2009-07-01

Analysis of foodstuffs - Enumeration of microorganisms by means of impedance-method - Determination of aerobic mesophile bacterial count
Edition 2006-06-01

Electric and optical fibre cables - Test methods for non-metallic materials - Part 603: Physical tests - Measurement of total acid number of filling compounds (IEC 60811-603:2012) (german version)
Edition 2013-01-01

Optical amplifiers - Test methods - Part 3: Noise figure parameters (IEC 61290-3:2008)
Edition 2009-04-01

Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method (IEC 61290-3-1:2003)
Edition 2004-06-01

Optical amplifiers - Test methods - Part 3-2: Noise figure parameters - Electrical spectrum analyzer method (IEC 61290-3-2:2008)
Edition 2009-07-01

Optical amplifiers - Test methods - Part 3-3: Noise figure parameters - Signal power to total ASE power ratio (IEC 61290-3-3:2013) (german version)
Edition 2015-01-01