🇵🇱 POLITECHNIKA WROCŁAWSKA PL
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)
- Rooms, Sound system equipment — 3 methods
- Construction works and building elements — 2 methods
- General environment – impulse noise from installations and equipment — 2 methods
- General environment – noise from installations, equipment and industrial plants — 2 methods
- Machinery and equipment – noise — 2 methods
- Rooms in residential, collective residence and public utility buildings – noise — 2 methods
Analytical techniques used (6)
- Direct measurement method — 4 methods
- Field measurement method under diffuse field conditions — 2 methods
- Calculation method — 1 method
- Direct and indirect measurement methods — 1 method
- Integrated impulse response method — 1 method
- Interrupted noise method — 1 method
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)