ISO 140-3 Acoustics Laboratory measurement of airborne sound

ISO 140-3 Acoustics Laboratory measurement of airborne sound insulation of building elementskeyword:ISO140-3;ISO717-1;IIC;Acoustic engineering;Acoustic insulating materials;Acoustic measurement;Acoustic testing;Acoustic testing rooms;Acoustics;Airborne sound insulation;Building acoustics;Buildings;Ceilings;Closed test rooms;Components;Construction;Definition;Definitions;Floor coverings;Impact sound insulation;Laboratory testing;Measurement;Measuring instruments;Measuring techniques;Noise reduction;Rooms;Sound insulation;Sound intensity;Sound levels;Structural members;Structural systems;Test benches;Test furnaces;Testing;WallsEcosafene company can provide the test following:Normative reference：ISO 140-1:—2), Acoustics — Measurement of sound insulation in buildings and of building elements —Part 1: Requirements for laboratory test facilities with suppressed flanking transmission.ISO 140-2:1991, Acoustics — Measurement of sound insulation in buildings and of building elements —Part 2: Determination, verification and application of precision data.ISO 354:1985, Acoustics — Measurement of sound absorption in a reverberation room.ISO 717-1:—3), Acoustics — Rating of sound insulation in buildings and of building elements —Part 1: Airborne sound insulation.IEC 225:1966, Octave, half-octave and third-octave band filters intended for the analysis of sounds andvibrations.IEC 651:1979, Sound level meters.IEC 804:1985, Integrating-averaging sound level meters.IEC 942:1988, Sound calibrators.xiamen Ecosafene Product Service Co,.LtdTEl：(+86)0592-5056211Email：info@ecosafene.comwebsite：http://www.ecosafene.com