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Home »Methods» Archive for   »  Acoustic (Page 4)

Category: Acoustic

Focus is at the acoustic and vibration performance of buildings, machinery and environment. Special focus at impact on people.

Rooms: Reverberation time – Interrupted noise precision method (NT ACOU 059)

Posted onFebruary 15, 1986July 15, 2020Author

Report #: NT ACOU 059 Approved: February 1986 Size: 70.42 KB Abstract This document specifies a precision laboratory NORDTEST method of measuring reverberation times according Read more…

CategoriesAcoustic, MethodsTagslaboratory method

Comminuting machines: Noise (NT ACOU 051)

Posted onMay 15, 1985July 15, 2020Author

Report #: NT ACOU 051 Approved: May 1985 Size: 62.65 KB Abstract This NORDTEST method specifies operating conditions and methods to determine the sound power Read more…

CategoriesAcoustic, MethodsTagsmachines

Sheet folding machines: Noise (NT ACOU 052)

Posted onMay 15, 1985July 15, 2020Author

Report #: NT ACOU 052 Approved: May 1985 Size: 41.00 KB Abstract This NORDTEST method specifies operating conditions and methods to determine the sound power Read more…

CategoriesAcoustic, MethodsTagsmachines

Rooms: Reverberation time (NT ACOU 053)

Posted onMay 15, 1985July 15, 2020Author

Report #: NT ACOU 053 Approved: May 1985 Size: 40.97 KB Abstract This document specifies methods to measure the reverberation time in rooms. The methods Read more…

CategoriesAcoustic, Methods

Garden vehicles: Operator’s noise (NT ACOU 054)

Posted onMay 15, 1985July 15, 2020Author

Report #: NT ACOU 054 Approved: May 1985 Size: 44.18 KB Abstract This document specifies a method for the measurement of driver’s exposure to noise Read more…

CategoriesAcoustic, MethodsTagsnoise

Rooms: Noise level (NT ACOU 042)

Posted onSeptember 15, 1983July 15, 2020Author

Report #: NT ACOU 042 Approved: September 1983 Size: 70.69 KB Abstract Scope This document specifies methods for measuring the A-weighted sound pressure level in Read more…

CategoriesAcoustic, MethodsTagsacoustics, noise, rooms, test methods

Reverberant test rooms: Sound absorption – Reference sound source (NT ACOU 040)

Posted onMarch 15, 1983July 15, 2020Author

Report #: NT ACOU 040 Approved: March 1983  Size: 70.69 KB Abstract This document specifies a NORDTEST method, using a reference sound source, for determination Read more…

CategoriesAcoustic, MethodsTagsreference sound

Small building elements: sound insulation (NT ACOU 037 withdrawn)

Posted onMarch 15, 1982July 15, 2020Author

Report #: NT ACOU 037 Approved: March 1982 Author(s): Nordtest Hits: 0 Version: withdrawn 2001 Size: 253.16 KB

CategoriesAcoustic, MethodsTagsacoustics, building elements, sound insulation, test methods, ventilation

Noise absorber pads: Sound absorption (NT ACOU 038)

Posted onMarch 15, 1982July 15, 2020Author

Report #: NT ACOU 038 Approved: March 1982 Size: 72.28 KB Abstract This NORDTEST method contains supplementary specifications to the measurement procedure stated in ISO/R Read more…

CategoriesAcoustic, MethodsTagsacoustics, noise absorber pads, test methods

Acoustical screens: Sound absorption (NT ACOU 032)

Posted onJune 15, 1981July 15, 2020Author

Report #: NT ACOU 032 Approved: June 1981 Size: 31.79 KB Abstract This NORDTEST method contains some supplementary specifications to the measurement procedure stated in Read more…

CategoriesAcoustic, Methods

Bulkheads: Sound radiation efficiency – Laboratory testa (NT ACOU 033)

Posted onSeptember 15, 1980July 15, 2020Author

Report #: NT ACOU 033 Approved: September 1980 Size: 153.76 KB Abstract This NORDTEST method describes a laboratory method of measuring the sound radiation efficiency Read more…

CategoriesAcoustic, Methods

Hearing aid – induction loop systems: Measurement of the magnetic field characteristics (NT ACOU 014)

Posted onJune 15, 1980July 15, 2020Author

Report #: NT ACOU 014 Approved: June 1980 Size: 99.19 KB Abstract This NORDTEST method applies to complete audio induction loop systems for hearing aid Read more…

CategoriesAcoustic, Methods

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acoustics (22) action limit (12) adhesives (9) analysis (9) building materials (35) calibration (19) chemical (10) concrete (50) control limit (12) corrosion (11) fire (13) floors (11) guidelines (10) handbook (11) hardened concrete (20) insulation materials (9) laboratories (12) laboratory measurements (10) leaching test (12) materials (10) measurements (14) methods (18) moisture (14) mortar (11) noise (21) performance (10) quality control (19) R-chart (12) range (12) repeatability (12) Round robin (12) soil (10) solid waste (14) sound (11) testing (40) test methods (333) troll (12) trollbook (12) uncertainty (29) ventilation (13) vibration (10) warning limit (12) waste (13) within laboratory reproducibility (12) X-chart (12)

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