ACOUSTICS. DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES. ENGINEERING METHODS FOR FREE-FIELD CONDITIONS OVER A REFLECTING PLANE
€80.00
Sound calibrators
€44.00
Acoustics; standard reference zero for the calibration of pure tone air conduction audiometers; identical with ISO 389:1985 (status as of 1986)
€56.17
Noise reduction on lifts
€71.85
Acoustique - Calibreurs acoustiques
€53.50
Acoustics. Estimation of airborne noise emitted by machinery using vibration measurement.
€82.00
Acoustique - Instrumentation et méthodes d'essai - Évaluation objective de l'intelligibilité de la parole dans les salles de conférence par méthode "RASTI"
€70.50
Assessment of noise with regard to the risk of hearing damages
€51.99
Measurement of airborne noise emitted by machines; enveloping surface method; motion picture cameras
€48.79
Specification for normal equal-loudness level contours for pure tones under free-field listening conditions
€193.00
Specification for a standard reference zero for the calibration of pure tone bone conduction audiometers
Standard reference zero for the calibration of pure tone air conduction audiometers Specification a standard at frequencies intermediate between those given in Parts 5 and 6 BS 2497
€165.00
Acoustics. Reference zero for the calibration of audiometric equipment Specification a standard reference using an artificial ear complying with BS 4669
Standard reference zero for the calibration of pure tone air conduction audiometers Specification a standard using an acoustic coupler complying with BS 4668
Measurement of airborne noise emitted by machines; enveloping surface method; woodworking machines; double end tenoning machines
€41.78
