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

BS EN IEC 61280-4-2/AMD1 Amendment 1 - Fibre-optic communication subsystem test procedures. Part 4-2: Installed cabling plant. Single-mode attenuation and optical return loss measurements
Edition 2024-07-05

BS EN IEC 62153-4-7/AMD1 Amendment 1 - Metallic cables and other passive components test methods. Part 4-7: Electromagnetic compatibility (EMC) - Test method for measuring of transfer impedance ZT and screening attenuation aS or coupling attenuation aC of connectors and assemblies - Triaxial tube in tube method
Edition 2024-07-26

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

Acoustics. Attenuation of sound during propagation outdoors. Engineering method for the prediction of sound pressure levels outdoors
Edition 2024-01-23