Acoustics. Definitions of basic quantities and terms
€193.00
Electroacoustics. Measurement microphones Primary method for pressure calibration of laboratory standard by the reciprocity technique
€336.00
Electroacoustics. Simulators of human head and ear Occluded-ear simulator for the measurement earphones coupled to by means inserts
€269.00
Industrial fans. Determination of fan sound power levels under standardized laboratory conditions Reverberant room method
Ultrasonics. Pulse-echo scanners Measurement of maximum depth penetration and local dynamic range
€316.00
Acoustics. Measurement of sound absorption properties road surfaces in situ Spot method for reflective
Services offered by hearing aid professionals
Acoustics. Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices Airborne measurement
€355.00
Industrial-process control valves Noise considerations. Control valve aerodynamic noise prediction method
€374.00
Acoustics. Declaration and verification of noise emission values of machinery and equipment
Acoustics. Determination of sound power radiated into a duct by fans and other air-moving devices. In-duct method
€404.00
Acoustics. Determination of sound power levels noise sources using intensity Precision method for measurement by scanning
Acoustics. Determination of sound power levels noise sources using intensity Measurement at discrete points
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
Acoustics. Determination of sound insulation performances enclosures Measurements under laboratory conditions (for declaration purposes)
