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

Ultrasonics - Physiotherapy systems - Field specifications and methods of measurement in the frequency range 20 kHz to 500 kHz (IEC 63009:2019); German version EN IEC 63009:2019
Edition 2021-04

Industrial process control systems - Part 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs mounted on an actuator valve assembly (IEC 61514-2:2013); German version EN 61514-2:2013
Edition 2014-06

Measurement of quartz crystal unit parameters - Part 5: Methods for the determination of equivalent electrical parameters using automatic network analyser techniques and error correction (IEC 60444-5:1995); German version EN 60444-5:1997
Edition 1997-10

Shell boilers - Part 3: Design and calculation for pressure parts; German version EN 12953-3:2016
Edition 2016-12

Medical electrical equipment - Part 2-74: Particular requirements for basic safety and essential performance of respiratory humidifying equipment (ISO 80601-2-74:2021); German version EN ISO 80601-2-74:2021
Edition 2022-01

Thermal solar systems and components - Custom built systems - Part 5: Performance test methods for control equipment; German version EN 12977-5:2018
Edition 2018-07

Fire detection and fire alarm systems - Part 3: Fire alarm devices - Sounders; German version EN 54-3:2014+A1:2019
Edition 2019-11

Extended application of test results on durability of self-closing for fire resistance and/or smoke control doorsets and openable windows - Part 3: Durability of self-closing of steel sliding doorsets; German version EN 17020-3:2022
Edition 2023-07

Extended application of test results on durability of self-closing for fire resistance and/or smoke control doorsets and openable windows - Part 2: Durability of self-closing of steel rolling shutters; German version EN 17020-2:2022
Edition 2023-07