Acoustics; determination of sound power radiated into a duct by fans; in-duct method (ISO 5136:1990 and Technical Corrigendum 1:1993); German version EN 25136:1993
€91.03
Measurement microphones; part 2: primary method for pressure calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-2:1992); German version EN 61094-2:1993
€84.58
Acoustics; testing of silencers in situ (ISO/DIS 11820:1993); German version prEN 31820:1994
Electroacoustics; specifications for personal sound exposure meters; identical with IEC 61252:1993
€69.91
Measurement of airborne noise emitted by machines; enveloping surface and reverberation room method; industrial sewing machines
€48.79
Quantities and units; part 7: acoustics; identical with ISO 31-7:1992
€56.17
Hearing aids; part 7: measurement of the performance characteristics of hearing aids for quality inspection for delivery purposes (IEC 60118-7:1983 + IEC 118-7 AMD 1:1994); German version EN 60118-7:1993 + A1:1994.
€63.27
Sound level meters (IEC 60651:1979 + A1:1993); German version EN 60651:1994 + A1:1994
Integrating-averaging sound level meters (IEC 60804:1985 + A1:1989 + A2:1993); German version EN 60804:1994 + A2:1994
€77.20
Acoustics; determination of sound power levels of noise sources using sound intensity; part 2: measurement by scanning (ISO/DIS 9614-2:1994); German version prEN 29614-2:1994
Hearing aids - Part 2: Hearing aids with automatic gain control circuits - measurements using broad band input signal (IEC 29(Secretariat)276:1994)
Method of measuring and specifying the performance of sounders (electroacoustic transducers for tone production) (IEC 84(Secretariat)362:1994)
Measurement of airborne noise emitted by machines; enveloping surface method; pulp and paper machinery
Measurement and assessment of aircraft noise; quantities and parameters
€41.78
Measurement and assessment of aircraft noise; aircraft noise monitoring systems within the meaning of article 19a of the Luftverkehrsgesetz (Civil Aviation Law)
