Optical amplifiers - Test methods - Part 11-2: Polarization mode dispersion parameter - Poincaré sphere analysis method (IEC 61290-11-2:2005); German version EN 61290-11-2:2005
Edition 2005-11

Measurement of airborne noise emitted by machines; enveloping surface method; motion picture cameras
Edition 1988-04

Measurement of airborne noise emitted by machines; enveloping surface method; still picture and motion-picture projectors
Edition 1989-10

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-55: Examinations and measurements - Polarisation extinction ratio and keying accuracy of polarisation maintaining, passive, optical components (IEC 61300-3-55:2020); German version EN IEC 61300-3-55:2020
Edition 2022-09

Optical amplifiers - Test methods - Part 11-1: Polarization mode dispersion parameter - Jones matrix eigenanalysis (JME) (IEC 61290-11-1:2008); German version EN 61290-11-1:2008
Edition 2009-02

Measurement of airborne noise emitted by machines; enveloping surface method; machines and equipment for the manufacture of concrete blocks, slabs, pipes and prefabricated elements
Edition 1989-05

Fault tree analysis (FTA) (IEC 61025:2006); German version EN 61025:2007
Edition 2007-08

Optical amplifiers - Part 1: Generic specification (IEC 61291-1:2018); German version EN IEC 61291-1:2018
Edition 2019-06

Fibre optic interconnecting devices and passive components - Performance standard - Part 143-2: Optical passive VIPA-based dispersion compensator of single-mode fibre transmission for category C - Controlled environment (IEC 61753-143-2:2012); German version EN 61753-143-2:2013
Edition 2013-07

Safety of machinery - Noise test code for foundry machines and equipment; German version EN 1265:1999+A1:2008
Edition 2009-07