Circular sight glass fitting with round sight glass plate in force shunt
Edition 2021-04

Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics (IEC 60027-2:2019); German version EN IEC 60027-2:2019
Edition 2023-02

Mathematical expressions for reliability, availability, maintainability and maintenance support terms (IEC 61703:2016); German version EN 61703:2016
Edition 2017-08

Maritime navigation and radiocommunication equipment and systems - General requirements - Methods of testing and required test results (IEC 60945:2002); German version EN 60945:2002
Edition 2003-07

Helical-scan digital component video cassette recording system using 12,65 mm (0,5 in) magnetic tape - Format D-5 (IEC 61835:1998); German version EN 61835:1998
Edition 1999-05

Reliability testing - Compliance tests for constant failure rate and constant failure intensity (IEC 61124:2012); German version EN 61124:2012
Edition 2013-01

Calibration of optical time-domain reflectometers (OTDR) - Part 1: OTDR for single-mode fibres (IEC 61746-1:2009); German version EN 61746-1:2011
Edition 2011-10

Industrial-process measurement, control and automation - Evaluation of system properties for the purpose of system assessment - Part 3: Assessment of system functionality (IEC 61069-3:2016); German version EN 61069-3:2016
Edition 2017-07

Digital load side transmission lighting control - Part 1: Basic requirements (IEC 62756-1:2015); German version EN 62756-1:2015
Edition 2016-07

Multimedia systems and equipment - Colour measurement and management - Part 12-1: Metadata for identification of colour gamut (Gamut ID) (IEC 61966-12-1:2011); German version EN 61966-12-1:2011
Edition 2011-07