Industrial-process control valves - Part 8: Noise considerations - Section 4: Prediction of noise generated by hydrodynamic flow
€88.00
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
Sound level meters (IEC 60651:1979 + A1:1993); German version EN 60651:1994 + A1:1994
€84.58
Integrating-averaging sound level meters (IEC 60804:1985 + A1:1989 + A2:1993); German version EN 60804:1994 + A2:1994
€77.20
Specification for measurement microphones. Primary method pressure calibration of laboratory standard microphones by the reciprocity technique
€316.00
Specification for measurement and characterisation of ultrasonic fields using hydrophones in the frequency range 0.5 MHz to 15 MHz
€374.00
Hearing aids; part 0: measurement of electroacoustical characteristics (IEC 60118-0:1983 + IEC 118-0 AMD 1:1994); German version EN 60118-0:1993 + A1:1994.
Acoustics; testing of silencers in situ (ISO/DIS 11820:1993); German version prEN 31820:1994
€91.03
Electroacoustics; specifications for personal sound exposure meters; identical with IEC 61252:1993
€69.91
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
Amendement 1 à la norme NF EN 61102 de février 1994
€43.67
Rotating electrical machines Noise limits
€165.00
Specification for absolute calibration of hydrophones using the planar scanning technique in the frequency range 0,5 MHz to 15 MHz
€269.00
Noise test code for foundry machines and equipment (grade 2 and 3); German version prEN 1265:1993
