Hearing aids Magnetic field strength in audio-frequency induction loops for hearing aid purposes
€165.00
Acoustics and vibration. Laboratory measurement of vibro-acoustic transfer properties resilient elements Dynamic stiffness elastic supports for translatory motion. Direct method
€193.00
Acoustics and vibration. Laboratory measurement of vibro-acoustic transfer properties resilient elements Principles guidelines
€269.00
Wind turbine generator systems Acoustic noise measurement techniques
€316.00
Noise and vibration control on construction open sites Code of practice for noise applicable to piling operations
€355.00
Specification for quantities, units and symbols Acoustics
Acoustics. Materials for acoustical applications. Determination of airflow resistance
Specification for instruments for the measurement of aural acoustic impedance/admittance
Code of practice for audio-frequency induction-loop systems (AFILS)
€404.00
Refrigerators, frozen food storage cabinets and food freezers for household and similar use. Measurement of emission of airborne acoustical noise
Acoustics. Determination of sound power levels noise sources using intensity Measurement at discrete points
Acoustics. Measurement of noise emitted by vessels on inland water-ways and harbours
€95.00
Acoustics. Determination of sound power radiated into a duct by fans. In-duct method
Rotating electrical machines Noise limits
Specification for absolute calibration of hydrophones using the planar scanning technique in the frequency range 0,5 MHz to 15 MHz
