Industrial process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow (IEC 65B/476/CD:2002)
€98.32
Acoustics - Noise from shooting ranges - Part 1: Sound source energy determination of muzzle blast (ISO/DIS 17201-1:2003); German version prEN ISO 17201-1:2003
€105.42
Road traffic noise reducing devices. Test method for determining the acoustic performance Intrinsic characteristics. In situ values of sound reflection and airborne insulation
€355.00
Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests
€286.00
Acoustics. Impulse sound propagation for environmental noise assessment
€269.00
Acoustical quality in small to medium-sized rooms
€111.40
Microphones de mesure - Partie 5 : méthodes pour l'étalonnage en pression par comparaison des microphones étalons de travail
€95.67
Electroacoustics. Sound level meters Specifications
Electroacoustics - Octave-band and fractional-octave-band filters (IEC 61260:1995 + A1:2001); German version EN 61260:1995 + A1:2001
Sound level meters (IEC 60651:1979/A2:2000); Amendment A2; German version EN 60651:1994/A2:2001
€63.27
Electroacoustics - Equipment for the measurement of real-ear acoustical characteristics of hearing aids.
€68.00
Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison (IEC 61094-5:2001); German version EN 61094-5:2001
€77.20
Sound system equipment: Headphones and earphones associated with portable audio equipment - Maximum sound pressure level measurement methodology and limit considerations - Part 2: Matching of sets with headphones if either or both are offered separately; German version prEN 50332-2:2002
€48.79
Industrial-process control valves - Part 8-1: Noise considerations; Laboratory measurement of noise generated by aerodynamic flow through control valves (IEC 65B/461/CD:2002)
€84.58
Acoustique - Détermination par intensimétrie des niveaux de puissance acoustique émis par les sources de bruit - Partie 3 : méthode de précision pour mesurage par balayage
€117.24