Hearing aids Methods for measurement of electroacoustical characteristics hearing with automatic gain control circuits
€269.00
Acoustics - Measurement at the operator's position of noise emitted by earth-moving machinery - Dynamic test conditions (ISO 6396:1992)
€50.00
Hearing aids - Part 1: Hearing aids with induction pick-up coil input; Amendment A1 (IEC 29/340/CDV:1996)
€34.30
Hearing aids - Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid puroses; Amendment A1 (IEC 29/341/CDV:1996)
Équipements pour systèmes électroacoustiques - Partie 7 : casques et écouteurs.
€126.00
Industrial-process control valves. Noise considerations Control valve aerodynamic noise prediction method
€355.00
Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances - Part 2-1: Particular requirements for vacuum cleaners (IEC 60704-2-1:1984, modified); German version EN 60704-2-1:1994.
€48.79
Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances - Part 2-3: Particular requirements for dishwashers (IEC 60704-2-3:1987 + Corrigendum 1989, modified); German version EN 60704-2-3:1994.
€56.17
Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances - Part 2-4: Particular requirements for washing machines and spin extractors (IEC 60704-2-4:1989); German version EN 60704-2-4:1994.
Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances - Part 2-2: Particular requirements for forced draught convection heaters (IEC 60704-2-2:1985); German version EN 60704-2-2:1994.
INTEGRATING-AVERAGING SOUND LEVEL METERS.
€74.00
ACOUSTICS. NOISE EMITTED BY MACHINERY AND EQUIPMENT. GUIDELINES FOR THE USE OF BASIC STANDARDS FOR THE DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS. (ISO 11200:1995).
€69.00
ACOUSTICS. NOISE EMITTED BY MACHINERY AND EQUIPMENT. MEASUREMENT OF EMission sound pressure levels at a work station and at other specified positions. Engineering method in and essentially free field over a reflecting plane. (ISO 11201:1995).
€73.00
ACUSTICS. NOISE EMITTED BY MACHINERY AND EQUIPMENT. MEASUREMENT OF EMIssion sound pressure levels at a work station and at other specified positions. Survey method in situ. (ISO 11202:1995).
AUDIOMETERS. PART 1: PURE-TONE AUDIOMETERS.
