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Zespół Laboratoriów Badawczych ITB (.pdf) - 1,8 MB

Zespół Laboratoriów Badawczych ITB (.pdf) - 1,8 MB

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GROUP OF TESTING LABORATORIES<br />

ACOUSTIC LABORATORY<br />

Carries out the tests of:<br />

walls and floors, roofs<br />

doors, windows, ventilation elements, glass, skylights, window louvers, floating floors, lightweight floors, floor<br />

coverings, access floors, noise barriers<br />

sound-absorption materials and structures, objects and equipment as furnishings, materials used in floating<br />

floors, porous materials<br />

technical rooms, central heating and water installations, ventilation installation lift installations and other<br />

technical equipment of buildings<br />

room acoustics (with loudspeakers) and workstations acoustics conditions<br />

acoustical parameters of external environment<br />

acoustical parameters of machines and other equipment<br />

and determines:<br />

airborne sound insulation of walls and floors, roofs, doors, windows, ventilation elements, glass, skylights,<br />

window louvers, floating floors, lightweight floors, floor coverings, access floors and suspended ceilings<br />

sound insulation and absorption of noise barriers<br />

impact sound insulation of floors, floating floors, lightweight floors, floor coverings, access floors<br />

sound absorption coefficient of materials and structures, objects and equipment as furnishings<br />

dynamic stiffness of resilient materials used in floating floors<br />

airflow resistance of porous materials<br />

reverberation time and other parameters of rooms (like speech transmission index, early decay time)<br />

sound pressure level and A sound level<br />

noise from roads, railways, aircrafts and industries<br />

insertion loss of acoustical barriers<br />

sound power level of machines and other equipment<br />

directional characteristics of sound sources<br />

Head of laboratory: Dr Elżbieta Nowicka<br />

7

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