Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids (IEC 61669:2015); German version EN 61669:2016
Edition 2018-06

Measurement and control; performance tests on process computer systems; time measurement; function tested: detection of a bit pattern
Edition 1987-01

Lubricants - Test methods - Part 2: Determination of the kinematic viscosity of used lubricating oils by Stabinger viscometer
Edition 2017-02

(Mechanical) vibrations, oscillations and vibration systems - Part 2: Linear vibration systems with single degree of freedom
Edition 2002-08

Sound carrier with speech for recognition tests - Part 1: Sound carrier with wordlists in accordance with DIN 45621-1 (Recording 1969)
Edition 1995-08

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

Horological definitions; technical commercial definitions
Edition 1987-01

Helical-scan digital composite video cassette recording system using 19 mm magnetic tape, format D2 (NTSC, PAL, PAL-M) (IEC 61179:1993); German version EN 61179:1993
Edition 1994-01

Nuclear instrumentation - Thickness measurement systems utilizing ionizing radiation - Definitions and test methods (IEC 61336:1996)
Edition 1999-05

Measurement techniques of piezoelectric, dielectric and electrostatic oscillators - Part 4: Short-term frequency stability test methods (IEC 62884-4:2019); German version EN IEC 62884-4:2019
Edition 2020-02