🇵🇱 POLITECHNIKA WROCŁAWSKA PL

PCA AB 796 • Wrocław, Poland • 13 methods

EnvironmentMetrology & calibrationConstruction

POLITECHNIKA WROCŁAWSKA is a laboratory accredited by PCA under number AB 796 (Wrocław, Poland). Its accreditation scope covers 13 test methods in the following areas: Environment, Metrology & calibration, Construction. Test objects include: Rooms, Sound system equipment, Construction works and building elements, General environment – impulse noise from installations and equipment, General environment – noise from installations, equipment and indus…. Most frequently used techniques: Direct measurement method, Field measurement method under diffuse field conditions, Calculation method.

At a glance

  • Accreditation number: PCA AB 796
  • Methods in scope: 13
  • Types of test objects: 6
  • Techniques used: 6
  • City: Wrocław, Poland
Accreditation number
AB 796
Accreditation body
PCA
Address
Wybrzeże Stanisława Wyspiańskiego 27, 50-370 Wrocław, LABORATORIUM BADAWCZE AKUSTYKI, ul. Zygmunta Janiszewskiego 9
City
Wrocław, Poland

What this laboratory tests (6)

Analytical techniques used (6)

Accreditation scope — test methods (13)

No. Test object Methodology / Parameters Technique Reference document
Test methods
1 Rooms, Sound system equipment Reverberation time: T10, T20,T30, Clarity index C80, Definition D50 in 1/1 or 1/3-octave bands
Range of band centre frequencies 1/3 octave (50 – 10 000) Hz
Integrated impulse response method PN-EN ISO 3382-1:2009
2 Rooms, Sound system equipment Reverberation time T20 in 1/1 or 1/3-octave bands
Range of band centre frequencies 1/3 octave (50 – 10 000) Hz
Interrupted noise method PN-EN ISO 3382-2:2010
3 Rooms, Sound system equipment Speech transmission index:
public address systems STIPA (STI, CIS) room acoustics RASTI. Modulation transfer function MTF Equivalent A- and C-weighted sound level, LAeq and LCeq Range (24 - 135) dB Sound pressure level in 1/1 octave bands
Direct and indirect measurement methods PN-EN 60268-16:2005 | PN-EN 60268-16:2011 | PN-EN IEC 60268-16:2021-06 (IEC 60268-16:2020)
4 Rooms in residential, collective residence and public utility buildings – noise Average A-weighted sound level LAm Equivalent A-weighted sound level LAeq Maximum A-weighted sound level
Range (24 – 135) dB Sound pressure level in 1/1 octave bands
Direct measurement method PN-87/B-02156
5 Rooms in residential, collective residence and public utility buildings – noise A-weighted equivalent sound level for reference time T (calculated) PN-87/B-02156
6 Construction works and building elements Apparent sound reduction index R’ and standardized level difference DnT in 1/3 octave bands
Range of band centre frequencies: (50 – 5000) Hz Weighted apparent sound reduction index R’w, and weighted standardized level difference DnT,w, and spectrum adaptation terms C and Ctr (calculated)
Field measurement method under diffuse field conditions PN-EN ISO 140-4:2000 | PN-EN ISO 16283-1:2014-05 z wyłączeniem p. 7.4 | PN-EN ISO 16283-1:2014-05 /A1:2018-02 | PN-EN ISO 717-1:1999 | PN-EN ISO 717-1:2021-06
7 Construction works and building elements Approximate normalized impact sound pressure level L’n, and standardized impact sound pressure level L’nT in 1/3 octave bands
Range of band centre frequencies: (50 – 5000) Hz Weighted apparent normalized impact sound pressure level L’n,w, and weighted standardized impact sound pressure level L’nT,w and spectrum adaptation term CI (calculated)
Field measurement method under diffuse field conditions PN-EN ISO 140-7:2000 | PN-EN ISO 16283-2:2021-02 z wyłączeniem p. 7.2.3. oraz p. 7.4 | PN-EN ISO 717-2:1999 | PN-EN ISO 717-2:2021-06
8 General environment – noise from installations, equipment and industrial plants A-weighted equivalent sound pressure level
Range (24 - 135) dB
Direct measurement method Załącznik nr 7 do Rozporządzenia Ministra Klimatu i Środowiska z dnia 07.09.2021 r. (t.j. Dz.U. 2023 poz. 1706) | PN ISO 9613-2:2002.
9 General environment – noise from installations, equipment and industrial plants A-weighted equivalent sound level for the reference time T expressed by the indicators LAeqD, LAeqN (calculated) Calculation method Załącznik nr 7 do Rozporządzenia Ministra Klimatu i Środowiska z dnia 07.09.2021 r. (t.j. Dz.U. 2023 poz. 1706) | PN ISO 9613-2:2002.
10 General environment – impulse noise from installations and equipment A-weighted equivalent sound level Maximum A-weighted sound level A-weighted sound exposure level
Range (24 - 135) dB
Direct measurement method Załącznik nr 8 do Rozporządzenia Ministra Klimatu i Środowiska z dnia 07.09.2021 r. (t.j. Dz.U. 2023 poz. 1706)
11 General environment – impulse noise from installations and equipment A-weighted equivalent sound level for the reference time T expressed by the indicators LAeqD, LAeqN (calculated) Załącznik nr 8 do Rozporządzenia Ministra Klimatu i Środowiska z dnia 07.09.2021 r. (t.j. Dz.U. 2023 poz. 1706)
12 Machinery and equipment – noise Average sound pressure level in 1/3 octave bands Average sound pressure level Average A-weighted sound level
Range (22 - 135) dB Range of band centre frequencies 1/3 octave (100 – 10 000) Hz
Direct measurement method PN-EN ISO 3744:2011 | PN-EN ISO 3746:2011 | PN-EN ISO 3746:2011/Ap1:2017-09
13 Machinery and equipment – noise Sound power level and sound energy level (calculated) PN-EN ISO 3744:2011 | PN-EN ISO 3746:2011 | PN-EN ISO 3746:2011/Ap1:2017-09

Reference standards (21)

PN ISO 9613-2:2002.
PN-87/B-02156
PN-EN 60268-16:2005
PN-EN 60268-16:2011
PN-EN IEC 60268-16:2021-06 (IEC 60268-16:2020)
PN-EN ISO 140-4:2000
PN-EN ISO 140-7:2000
PN-EN ISO 16283-1:2014-05 /A1:2018-02
PN-EN ISO 16283-1:2014-05 z wyłączeniem p. 7.4
PN-EN ISO 16283-2:2021-02 z wyłączeniem p. 7.2.3. oraz p. 7.4
PN-EN ISO 3382-1:2009
PN-EN ISO 3382-2:2010
PN-EN ISO 3744:2011
PN-EN ISO 3746:2011
PN-EN ISO 3746:2011/Ap1:2017-09
PN-EN ISO 717-1:1999
PN-EN ISO 717-1:2021-06
PN-EN ISO 717-2:1999
PN-EN ISO 717-2:2021-06
Załącznik nr 7 do Rozporządzenia Ministra Klimatu i Środowiska z dnia 07.09.2021 r. (t.j. Dz.U. 2023 poz. 1706)
Załącznik nr 8 do Rozporządzenia Ministra Klimatu i Środowiska z dnia 07.09.2021 r. (t.j. Dz.U. 2023 poz. 1706)