GB/T 18490.3-2017 Safety of machinery—Laser processing machines—Part 3:Noise reduction and noise measurement methods for laser processing machines and hand-held processing devices and associated auxiliary equipment (accuracy grade 2)

GB/T 18490.1-2017 Safety of machinery—Laser processing machines—Part 1:General safety requirement GB/T 18490.2-2017 Safety of machinery—Laser processing machines—Part 2:Safety requirements for hand-held laser processing devices

GB/T 17248.4-1998 Acoustics—Noise emitted by machinery and equipment Determination of emission sound pressure level at a workstation and at other specified position from the sound power level EN 352-1 GB/T 3767-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Engineering method in an essentially free field over a reflecting plane GB/T 3767-2016 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for an essentially free field over a reflecting plane GB/T 3768-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 3768-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.1-2023 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 14574-2000 Acoustics—Declaration and verification of noise emission values of machinery and equipment GB/T 16404.2-1999 Acoustics—Determination of sound power levels of noise sources using sound intensity—Part 2:Measurement by scanning GB/T 17248.2-1999 Acoustics—Noise emitted by machinery and equipment—Measurement of emission sound pressure levels at a work station and at other specified positions—Engineering method in an essentially free field over a reflecting plane GB/T 17248.2-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections GB/T 17248.3-1999 Acoustics—Noise emitted by machinery and equipment—Measurement of emission sound pressure levels at a work station and at other specified positions—Survey method in situ GB/T 17248.3-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections GB/T 17248.5-1999 Acoustics—Noise emitted by machinery and equipment—Measurement of emission sound pressure levels at a work station and at other specified positions—Method requiring environmental corrections GB/T 17248.5-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections GB/T 18490.1-2017 Safety of machinery—Laser processing machines—Part 1:General safety requirement GB/T 18490.2-2017 Safety of machinery—Laser processing machines—Part 2:Safety requirements for hand-held laser processing devices GB/T 25078.1-2010 Acoustics—Recommended practice for the design of low-noise machinery and equipment—Part 1:Planning

ISO 11553-3:2013