Electroacoustics. Sound calibrators
€316.00
Electroacoustics. Equipment for the measurement of real-ear acoustical characteristics of hearing aids
€193.00
Industrial-process control valves. Noise considerations Laboratory measurement of noise generated by aerodynamic flow through valves
Ultrasonics. Hydrophones. Characteristics and calibration in the frequency range from 15 MHz to 40 MHz
€374.00
Electroacoustics. Octave-band and fractional-octave-band filters
Electroacoustics. Hearing aids Induction loop systems for hearing aid purposes. Magnetic field strength
Acoustics. Noise emitted by machinery and equipment. Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity
€269.00
Acoustics. Determination of sound power levels of noise sources using sound pressure. Precision methods for anechoic and hemi-anechoic rooms
Digital addressable lighting interface General requirements. System
Railway applications. Noise emission. Rail roughness measurement related to rolling noise generation
Ultrasonics. Power measurement. Radiation force balances and performance requirements
Acoustics. Preferred reference values for acoustical and vibratory levels
€165.00
Characterization of pavement texture by use surface profiles Determination mean profile depth
Electroacoustics. Sound level meters Periodic tests
Acoustics. Noise from shooting ranges Guidelines for sound propagation calculations
