Danger signals - Auditory danger signals - Part 3: Unified emergency signal
Edition 2016-04

Blank detail specification: Quartz crystal controlled oscillators (Qualification approval); German version EN 169201:1995
Edition 1996-05

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

Warning signals - Part 1: Acoustic warning, all-clear and note signals
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

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

Quartz crystal units for frequency control and selection; part 2: guide to use of quartz crystal units for frequency control and selection; Section one: quartz crystal units for microprocessor clock supply; identical with IEC 60122-2-1:1991
Edition 1992-08

Quartz crystal controlled oscillators - Part 2: Guide to the use of quartz crystal controlled oscillators (IEC 60679-2:1981)
Edition 1997-09

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