Methods of measurement of electro-acoustical characteristics of hearing aids - Part 3: Hearing aid equipment not entirely worn on the listener
€22.00
Audiometers
€176.00
Sound level meters
€231.00
Values for the difference between free-field and pressure sensitivity levels for one-inch standard condenser microphones
Specification for hydrophones for calibration purposes
€165.00
Matériels destinés à être utilisés en plein air - Directives pour la rédaction des codes d'essais pour la vérification de la conformité en ce qui concerne les limites du bruit
€59.00
Measurement of airborne noise emitted by machines; enveloping surface method, office machines
€48.79
Détermination de la puissance acoustique émise par les sources de bruit - Partie 5 : méthodes de laboratoire en salle anéchoïque ou semi-anéchoïque.
€84.50
Measurement of airborne noise emitted by machines; enveloping surface method, woodworking machines, planing machines
€34.30
Measurement of airborne noise emitted by machines; enveloping surface method, gear transmisson
Amendment 4 - Magnetic tape recording and reproducing systems: Dimensions and characteristics
€11.00
Measurement of Airborne Noise Emitted by Machines; Enveloping Surface Method; Metal Processing Machine, Tools Special, Stipulations for Lathes
€24.39
Measurement of airborne noise emitted by machines; enveloping surface method, woodworking machines, one side moulding machines
Noise reduction by enclosures
€121.50
DEFINITIONS OF ACOUSTICAL TERMS
€68.00
