Measuring relays and protection equipment - Part 181: Functional requirements for frequency protection (IEC 60255-181:2019); German version EN IEC 60255-181:2019
Edition 2020-02

Measurement of quartz crystal unit parameters - Part 6: Measurement of drive level dependence (DLD) (IEC 60444-6:2021); German version EN IEC 60444-6:2021
Edition 2023-11

Mechanical vibration - Torsional vibration of rotating machinery - Part 1: Evaluation of steam and gas turbine generator sets due to electrical excitation (ISO 22266-1:2022, Corrected version 2022-08)
Edition 2024-08

Measurement techniques of piezoelectric, dielectric and electrostatic oscillators - Part 3: Frequency aging test methods (IEC 62884-3:2018); German version EN IEC 62884-3:2018
Edition 2018-10

Electroacoustics - Octave-band and fractional-octave-band filters - Part 3: Periodic tests (IEC 61260-3:2016); German version EN 61260-3:2016
Edition 2016-09

Mechanical vibration - Torsional vibration of rotating machinery - Part 1: Evaluation of steam and gas turbine generator sets due to electrical excitation (ISO 22266-1:2022, Corrected version 2022-08); Text in German and English
Edition 2024-01

Aerospace series - LOTAR - Long Term Archiving and Retrieval of digital technical product documentation such as 3D, CAD and PDM data - Part 100: Common concepts for Long term archiving and retrieval of CAD 3D mechanical information; German and English version EN 9300-100:2018
Edition 2018-10

Chronometric Terms; Frequency, Period
Edition 1971-07

Electroacoustics - Octave-band and fractional-octave-band filters - Part 2: Pattern-evaluation tests (IEC 61260-2:2016 + AMD1:2017); German version EN 61260-2:2016 + A1:2017
Edition 2018-01

Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids (IEC 29/1039/CD:2019); Text in German and English
Edition 2020-11