Measurement of airborne noise emitted by machines; enveloping surface method; electric tools; additional specifications for drilling and chipping hammers
€48.79
Mechanical coupler for measurements on bone vibrators (IEC 60373:1990); german version HD 590 S1:1991.
€56.17
Acoustics; specifications of test tracks for the purpose of measuring noise emitted by road vehicles; identical with ISO/DIS 10844:1992
€69.91
Hearing aids: part 6: characteristics of electrical input circuits for hearing aids (IEC 60118-6:1984); german version HD 450.6 S1:1986
€34.30
Determination of noise immissions from sound sources placed near the ears - Noise immissions especially by open headphones and insert earphones
Determination of noise immissions from sound sources placed near the ears; noise immissions especially by half-open and closed headphones except insert earphones
Measurement of airborne noise emitted by machines; enveloping surface method; electric tools
Acoustics; determination of sound insulation performance of enclosures; part 1: determination of sound insulation performance of small enclosures under laboratory conditions; german version prEN 31546-1:1992
Acoustics; determination of sound insulation performance of enclosures; part 2: determination of in situ sound insulation performance of enclosures (for acceptance/verification purposes); german version prEN 31546-2:1992
Acoustics; guidelines for the design of low-noise workplaces; part 1: noise control strategies; german version prEN 31690-1:1992
€98.32
Acoustics; guidelines for the design of low-noise workplaces; part 2: noise control measures; german version prEN 31690-2:1992
Hearing aids; plugs; dimensions; identical with IEC 60090:1973 (status as of 1991)
€41.78
Acoustics; measurement of insertion loss of ducted silencers without flow; laboratory survey method; German version prEN 31691:1993
Acoustics; noise emitted by machinery and equipment; rules for the drafting and presentation of a noise test code; identical with ISO/DIS 12001:1993
€63.27
Acoustics; measurement of noise on board vessels; identical with ISO/CD 2923:1992
