Denomination of the ripple of d.c voltage, periodic deviations; terms and measuring methods
Edition 1970-01

Generating sets - Reciprocating internal combustion engines driven generating sets - Part 13: For emergency power supply in hospitals and public buildings
Edition 1994-12

Aerospace series - Cable, electrical, aircraft use - Test methods - Part 515: Crush resistance; German and English version EN 3475-515:2009
Edition 2010-09

Acoustics - Determination of tonal components of noise and determination of a tone adjustment for the assessment of noise immissions, Corrigenda to DIN 45681:2005-03, with CD
Edition 2006-08

Calculation of the auditory sensation roughness
Edition 2022-11

Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994); German version EN ISO 389-4:1998
Edition 1999-07

Non-broadcast video recorders; time base stability (IEC 60756:1991); German version EN 60756:1993
Edition 1993-11

Measurement and control; electrical measuring instruments; printing devices for multi-channel strip chart recording instruments
Edition 1984-09

Optical amplifiers - Test methods - Part 3: Noise figure parameters (IEC 61290-3:2008); German version EN 61290-3:2008
Edition 2009-03

Acoustics - Terminology
Edition 2009-12