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— 24 стр.
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— 24 стр.
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— 26 стр.
Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane— 40 стр.
Stationary training equipment. Stationary exercise bicycles and upper body crank training equipment, additional specific safety requirements and test methods— 30 стр.