Filters for the measurement of audible sound in the presence of ultrasound; identical with IEC 61012:1990
€34.30
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essential free field over a reflecting plane (ISO 3744:1994); German version prEN ISO 3744:1994
€105.42
Acoustics - Materials for acoustical applications - Determination of airflow resistance (ISO 9053:1991)
€50.00
Acoustics - Preferred reference quantities for acoustic levels (ISO 1683:1983)
TEST CODE FOR THE DETERMINATION OF AIRBONE ACOUSTICAL NOISE EMITTED BY HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES. PART 2: PARTICULAR REQUIREMENTS FOR FORCED DRAUGHT CONVECTION HEATERS.
€48.00
TEST CODE FOR THE DETERMINATION OF AIRBONE ACOUSTICAL NOISE EMITED BY HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES. PART 2: PARTICULAR REQUIREMENTS FOR VACUUM CLEANERS.
Practice for Determining A Single-Number Rating of Airborne Sound Isolation for Use in Multiunit Building Specifications (Withdrawn 1999)
This product is not for sale, please contact us for more information
Measurement of the lowest resonance frequency of loudspeaker cones (IEC 84(Sec)379:1994)
€41.78
Industrial thermoprocessing equipment - Noise test code for industrial thermoprocessing equipment including its ancillary handling equipment; German version prEN 1547:1994
Acoustics - Measurement of sound absorption in a reverberation room (ISO 354:1985); Amendment 1: Annex D; test specimen mountings for sound absorption tests; German version EN 20354:1993/prA1:1994
Acoustics - Specification of test tracks for the purpose of measuring noise emitted by road vehicles
Acoustique - Mesurage de l'isolement acoustique des immeubles et des éléments de construction - Partie 3 : mesurage en laboratoire de l'affaiblissement des bruits aériens par les éléments de construction.
€82.00
Acoustique - Détermination des niveaux de puissance acoustique émis par les sources de bruit à partir de la pression acoustique - Méthode d'expertise dans des conditions approchant celles du champ libre sur plan réfléchissant.
€107.33
The absolute calibration of hydrophones using the planar scanning technique in the frequency range 0,5 MHz to 15 MHz (IEC 61101:1991); German version EN 61101:1993.
€77.20
Measurement and characterisation of ultrasonic fields using hydrophones in the frequency range 0,5 MHz to 15 MHz (IEC 61102:1991 + A1:1993); German version EN 61102:1993 + A1:1994.
