BS ISO 2100-602. Aerospace elements of electrical and optical connection. Test methods. Part 602. Optical elements. Variation of attenuation and optical discontinuity
Edition 2017-08-29

BS IEC 61300-3-3. Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Part 3-3. Examinations and measurements. Active monitoring of changes in attenuation and return loss
Edition 2022-06-15

BS EN 60793-1-40 ED3. Optical fibres. Part 1-40. Attenuation measurement methods
Edition 2022-10-18

BS EN 61280-4-2. Fibre-optic communication subsystem test procedures. Part 4-2. Installed cable plant. Single-mode attenuation and optical return loss measurement
Edition 2023-01-16

BS EN 3475-806. Aerospace series. Cables, electrical, aircraft use. Test methods. Part 806. Attenuation
Edition 2023-03-21

BS EN IEC 61300-3-14. Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Part 3-14. Examinations and measurements. Error and repeatability of the attenuation settings of a variable optical attenuator
Edition 2023-07-28

BS IEC 61196-1-113. Coaxial communication cables. Part 1-113. Electrical test methods. Test for attenuation constant
Edition 2023-10-06

BS EN IEC 61300-3-7/AMD1 Amendment 1 - Fibre optic interconnecting devices and passive components- Basic test and measurement procedures. Part 3-7: Examinations and measurements - Wavelength dependence of attenuation and return loss of single mode components
Edition 2023-12-22

BS EN IEC 61300-3-14 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures. Part 3-14: Examinations and measurements - Error and repeatability of the attenuation settings of a variable optical attenuator
Edition 2024-01-05

Acoustics. Hearing protectors. Determination of sound attenuation of active noise reduction earmuffs
Edition 2019-02-05