Acoustics; noise emitted by machinery and equipment; guidelines for the use of basic standards for the determination of emission sound pressure levels at the work station and at other specified positions (ISO/DIS 11200:1993); German version prEN 31200:1993
€69.91
Acoustics; noise emitted by machinery and equipment; measurement of emission sound pressure levels at the work station and at other specified positions; engineering method in an essentially free field over a reflecting plane (ISO/DIS 11201:1993); German version prEN 31201:1993
€84.58
Acoustics; noise emitted by machinery and equipment; measurement of emission sound pressure levels at the work station and at other specified positions; survey method in situ (ISO/DIS 11202:1993); German version prEN 31202:1993
Acoustics; noise emitted by machinery and equipment; determination of emission sound pressure levels at the work station and at other specified positions (ISO/DIS 11203:1993); German version prEN 31203:1993
€63.27
Acoustics; noise emitted by machinery and equipment; measurement of emission sound pressure levels at the work station and at other specified positions; method requiring environmental corrections (ISO/DIS 11204:1993); German version prEN 31204:1993
Dimensions of electrical connector systems for hearing aids; Identical with IEC 29(Sec)255:1993
€48.79
Acoustics; measurement of sound absorption in a reverberation room (ISO 354:1985); German version EN 20354:1993
€56.17
Acoustics; determination of sound insulation performance of cabins; laboratory and in situ measurements (ISO/DIS 11957:1993); German version prEN 31957:1993
Acoustics - Measurement of noise emitted by vessels on inland water-ways and harbours (ISO 2922:1975); German version EN 22922:1993
€41.78
IEC 534-8-3: industrial-process control valves; part 8: noise considerations; section 3: prediction of noise generated by aerodynamic flow (IEC 65B(Secretariat)178:1993)
Instruments for the measurement of aural acoustic impedance/admittance (IEC 61027:1991); German version EN 61027:1993.
Mechanical vibration; balance quality requirements of rigid rotors; determination of permissible residual unbalance; identical with ISO 1940-1:1986
€77.20
Determination of rating levels from measurement data; noise immission in the neighbourhood
Acoustics; systematic collection and comparison of noise emission data for machinery and equipment (ISO/DIS 11689:1993); German version prEN 31689:1993
Noise test code for foundry machines and equipment (grade 2 and 3); German version prEN 1265:1993