Fibre optic interconnecting devices and passive components - Fibre optic tuneable bandpass filters - Generic specification (IEC 63032:2018); German version EN IEC 63032:2018
Edition 2019-10

Testing of materials for semiconductor technology - Test method for particle analysis in liquids - Part 2: Determination of particles by optical particle counters
Edition 2009-10

Postal services - Automated processing of mail items - Address block locator; German version CEN/TS 14567:2004
Edition 2004-08

Optical amplifiers - Test methods - Part 7-1: Out-of-band insertion losses - Filtered optical power meter method (IEC 61290-7-1:2007); German version EN 61290-7-1:2007
Edition 2008-02

Particulate air filters for general ventilation - Standardised dimensions; German version EN 15805:2021
Edition 2022-06

Ambient air - Measurement of the mass of particulate matter on a filter medium - Beta-ray absorption method (ISO 10473:2000)
Edition 2002-08

Workplaces atmospheres - Routine methods for the determination of dustiness of bulk materials - Part 4: Repeated drop in the cross-flow
Edition 2016-08

Fibre optic active components and devices - Test and measurement procedures - Part 5: Wavelength channel tuning time of tuneable transmitters (IEC 62150-5:2017); German version EN 62150-5:2017
Edition 2018-04

Temperature measurement - Part 1: Survey of laser spectroscopic methods
Edition 2000-04

Objective reference equivalent meter; construction and application
Edition 1990-09