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DIN EN 61300-3-38
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-38: Examinations and measurements - Group delay, chromatic dispersion and phase ripple (IEC 61300-3-38:2012); German version EN 61300-3-38:2012
Edition
2013-04
DIN IEC 60510-1-2
Methods of measurement for radio equipment used in satellite earth stations; measurement common to sub-systems and combinations of sub-systems; measurement in the r.f. range; identical with IEC 60510-1-2:1984
Edition
1988-12
DIN EN IEC 60027-2
Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics (IEC 60027-2:2019); German version EN IEC 60027-2:2019
Edition
2023-02
SN EN ISO 389-2
Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones (ISO 389-2:1994)
Edition
1997
DIN CEN ISO/TS 25107
Non-destructive testing - NDT training syllabuses (ISO/TS 25107:2019); German version CEN ISO/TS 25107:2019
Edition
2022-04
UNE-EN ISO 389-2
ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 2: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND INSERT EARPHONES. (ISO 389-2:1994).
Edition
1997-02-04
NF S30-007-2 ; NF EN ISO 389-2:1996-11-01
Acoustics. Reference zero for the calibration of audiometric equipment. Part 2: reference equivalent threshold sound pressure levels for pure tones and insert earphones
Edition
1996-11-01
AS ISO 389.2
Acoustics - Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Edition
2007
ISO 389-2
Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Edition
1994-07
BS EN ISO 389-2
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Edition
1995-03-15