Find a test: PN-EN ISO 140-4
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12 laboratories
- 🧪 INSTYTUT TECHNIKI BUDOWLANEJ — Warszawa · PCA AB 023
matching tests: Sound insulation · PN-EN ISO 140-4:2000 - 🧪 Mikołaj Kirpluk „NTL – M. Kirpluk” — Warszawa · PCA AB 838
matching tests: Normalized level difference DN, standardized level difference DNT and apparent sound reduction index R’ in 1/3 octave bands, Frequency range of 1/3 octave… · PN-EN ISO 140-4:2000; Weighted normalized level difference Dn,w, weighted standardized level difference DnT,W, and weighted apparent sound reduction index, R’w, and spectrum… · PN-EN ISO 140-4:2000 - 🧪 SONITUS Sp. z o.o. Sp.k. — Wrocław · PCA AB 1924
matching tests: Apparent sound reduction index R’ and/or standardized level difference DnT in octave and/or 1/3 octave bands · PN-EN ISO 140-4:2000; Weighted apparent sound reduction index, R’w, and weighted standardized level difference DnT,w, and spectrum adaptation terms C and, Ctr · PN-EN ISO 140-4:2000 - 🧪 EKOLAB Sp. z o.o. — Kobylnica · PCA AB 869
matching tests: Apparent sound reduction index R’ and standardized level difference DnT between rooms, in 1/3 octave bands · PN-EN ISO 140-4:2000 - 🧪 GRYFITLAB SP. Z O.O. — Goleniów · PCA AB 818
matching tests: Apparent airborne sound reduction index of building elements · PN-EN ISO 140-4:2000 - 🧪 KFB TECHNOLOGIES Sp. z o.o. — Wrocław · PCA AB 1271
matching tests: Apparent sound reduction index R' in 1/3-octave bands · PN-EN ISO 140-4:2000 - 🧪 AKUSTIX Sp. z o.o. — Przeźmierowo · PCA AB 1162
matching tests: Normalized level difference DN, standardized level difference DNT and approximate apparent sound reduction index R’ in 1/3 octave bands Range of centre… · PN-EN ISO 140-4:2000 - 🧪 CENTRUM TECHNIKI OKRĘTOWEJ S.A. — Gdańsk · PCA AB 1241
matching tests: Airborne sound insulation · PN-EN ISO 140-4 - 🧪 ECO-NOISE PAWEŁ NIŻNIOWSKI — Długołęka · PCA AB 1621
matching tests: Apparent sound reduction index R’ and standardized level difference DnT in 1/1 and 1/3 octave bands. Frequency range of the 1/3 octave centre bands: (50 – 5… · PN-EN ISO 140-4:2000 - 🧪 POLITECHNIKA RZESZOWSKA im. IGNACEGO ŁUKASIEWICZA — Rzeszów · PCA AB 1413
matching tests: Apparent sound reduction index R’, Standardized level difference DnT in octave and 1/3 octave bands, Range of centre frequencies: (50 - 5000) Hz · PN-EN ISO 140-4:2000 - 🧪 SVANTEK Sp. z o.o. — Warszawa · PCA AB 1391
matching tests: Sound pressure level in 1/3 octave bands Mid-band frequency range: (50 – 5 000) Hz Direct measurement method · PN-EN ISO 140-4:2000 - 🧪 POLITECHNIKA WROCŁAWSKA — Wrocław · PCA AB 796
matching tests: Apparent sound reduction index R’ and standardized level difference DnT in 1/3 octave bands · PN-EN ISO 140-4:2000