Ventilation for buildings - Test procedures and measurement methods to hand over air conditioning and ventilation systems

This European Standard specifies checks, test methods and measuring instruments in order to verify the fitness for purpose of the installed systems primarily for handing over which will be partially performed before, during and after handing over. This European Standard enables the choice between simple test methods, when sufficient, and extensive measurements, when necessary. This European Standard applies to mechanically operated ventilation and air conditioning systems as specified in EN 12792 and comprising any of the following: - air terminal devices and units, - air handling units, - air distribution systems (supply, extract, exhaust), - fire protection devices, - automatic control devices. When the system is set, adjusted and balanced measurement methods described in this European Standard apply. This European Standard does not apply to: - heat generating systems and their control, - refrigerating systems and their control, - distribution of heating and cooling medium to the air handling units, - compressed air supplying systems, - water conditioning systems, - central steam generating systems for air humidifying, electric supply systems. This European Standard applies to ventilation and air conditioning systems designed for the maintenance of comfort conditions in buildings. It is not applicable in the case of systems for the control of industrial or other special process environments. In the latter case, however, it may be referred to if the system technology is similar to that of the above mentioned ventilation and air conditioning systems. This European Standard does not include any requirements concerning the installation contract. However, in order to facilitate the application of this standard, the installation contract should refer to the provisions which are listed in Annex F. The measuring methods in this European Standard can be used in the frame of the energy inspection of airconditioning systems according to EU Directive 2010/31/EU "Energy performance of buildings Directive" (see EN 15239, EN 15240). This European Standard may be used for residential and dwelling ventilation systems.

Lüftung von Gebäuden - Prüf- und Messverfahren für die Übergabe raumlufttechnischer Anlagen

Diese Europäische Norm legt Prüfungen, Prüfverfahren und Messgeräte zur Feststellung der Gebrauchstauglichkeit von eingebauten Anlagen vor, während und nach der Übergabe fest.
Die Norm ermöglicht die Wahl zwischen einfachen Prüfverfahren, wenn ausreichend, und aufwendigen Messungen, wenn erforderlich.
Die Norm gilt für mechanisch betriebene raumlufttechnische Anlagen (RLT Anlagen) nach EN 12792, die eine oder mehrere der folgenden Einrichtungen enthalten:
-   Luftdurchlässe und Luftdurchlass Einheiten;
-   Luftbehandlungseinheiten;
-   Luftverteilungssysteme (Zuluft, Abluft, Fortluft);
-   Brandschutzeinrichtungen;
-   automatische Regel  und Kontrolleinrichtungen.
Wenn die Anlage eingestellt und abgeglichen ist, könnten die in dieser Norm beschriebenen Messverfahren gelten.
Die Norm gilt nicht für:
-   wärmeerzeugende Anlagen und deren Regelung;
-   Kälteanlagen und deren Regelung;
-   Wärme  und Kälteverteilung bis zu den Luftbehandlungseinheiten;
-   Druckluftversorgungsanlagen;
-   Wasseraufbereitungsanlagen;
-   zentrale dampferzeugende Anlagen für Luftbefeuchtung und
-   Elektrizitätsversorgungsanlagen.
Diese Norm gilt für RLT Anlagen, deren Bestimmung die Erhaltung eines Behaglichkeitszustands in Gebäuden ist. Sie gilt nicht für Anlagen zur Regelung von Innenräumen für industrielle oder andere besondere Prozesse. Im letztgenannten Fall kann jedoch auf diese Norm Bezug genommen werden, wenn die technischen Eigenschaften des Systems Ähnlichkeiten zu denen der vorgenannten RLT Anlagen aufweisen.
Diese Norm enthält keine Anforderungen an den Installationsvertrag. Für eine einfachere Anwendung der Norm sollten allerdings die in Anhang F aufgeführten Bestimmungen im Vertrag berücksichtigt werden.
Die Messverfahren dieser Norm können im Rahmen der Energieinspektion von Klimaanlagen nach Artikel 9 der Richtlinie 2002/91/EG über die „Gesamtenergieeffizienz von Gebäuden“ angewendet werden.

Ventilation des bâtiments - Procédures d'essai et méthodes de mesure pour la réception des installations de conditionnement d'air et de ventilation

La présente norme européenne spécifie des contrôles, des méthodes d'essai et des instruments de mesure en vue de vérifier, au stade avant, pendant et après la réception, l'aptitude à l'emploi des systèmes installés.
La norme permet de choisir entre des méthodes d'essai simples, lorsqu'elles suffisent, et des mesures plus importantes, si elles sont nécessaires.
La norme s'applique aux systèmes de ventilation et de climatisation mécaniques comme précisé dans l’EN 12792 et comprenant l'un quelconque des éléments suivants :
-   bouches d’air et unités de terminales ;
-   centrales de traitement d'air ;
-   systèmes de distribution d’air (fourni, repris, rejeté) ;
-   dispositifs de protection contre l'incendie
-   dispositifs de commande automatique.
Lorsque le système est réglé et équilibré, les méthodes de mesure décrites dans la présente norme peuvent s’appliquer.
La norme ne s'applique pas :
-   aux systèmes de chauffage et à leur commande ;
-   aux systèmes réfrigérants et à leur commande ;
-   à la distribution aux centrales de traitement d'air des agents calorifiques et réfrigérants ;
-   aux systèmes d'alimentation en air comprimé ;
-   aux systèmes de traitement des eaux ;
-   aux systèmes centraux de génération de vapeur pour l'humidification de l'air ;
-   aux systèmes d'alimentation électrique.
La présente norme s'applique aux systèmes de ventilation et de climatisation conçus pour maintenir des conditions de confort dans les bâtiments. Elle ne s'applique pas aux systèmes de commande pour des environnements industriels ou autres environnements spécifiques. Dans ce dernier cas, il peut toutefois y être fait référence si la technologie du système est analogue à celle des systèmes de ventilation et de climatisation mentionnés ci-dessus.

Prezračevanje stavb - Preskusni postopki in merilne metode za predajo klimatskih in prezračevalnih sistemov

Ta evropski standard določa preverjanja, preskusne metode in merilne instrumente za preverjanje ustreznosti nameščenih sistemov namenu, predvsem za predajo, ki se deloma izvede pred predajo, med njo in po njej. Ta evropski standard omogoča izbiro med preprostimi preskusnimi metodami, kadar so zadostne, in obsežnimi meritvami, kadar so potrebne. Ta evropski standard se uporablja za sisteme mehanskega prezračevanja in klimatizacije iz standarda EN 12792, ki so sestavljeni iz: – zračne naprave in enote, – centralne enote, – sistemi za porazdelitev zraka (dovod, odstranjevanje, odvod), – naprave za zaščito pred ognjem, – naprave za samodejni nadzor. Merilne metode, opisane v tem evropskem standardu, se uporabijo, ko je sistem nastavljen, prilagojen in uravnan. Ta evropski standard ne velja za: – sisteme generiranja toplote in krmiljenje teh sistemov, – hladilne sisteme in krmiljenje teh sistemov, – porazdelitev grelnega in hladilnega sredstva v centralnih enotah, – sisteme stisnjenega zraka, – sisteme za pripravo pitne vode, – centralni parni sistemi za vlaženje zraka, varnostno napajanje. Ta evropski standard se uporablja za sisteme za prezračevanje in klimatizacijo, ki so namenjeni vzdrževanju udobnih pogojev v zgradbah. Ne uporablja se za sisteme za nadzor industrijskih ali drugih okolij za posebne postopke. Vendar se lahko za tak primer uporabi, če je sistemska tehnologija podobna tehnologiji omenjenih sistemov za prezračevanje in klimatizacijo. Ta evropski standard ne vključuje zahtev za pogodbe o namestitvi. Vendar je treba zaradi lažje uporabe tega standarda pri pogodbi o namestitvi upoštevati določbe, navedene dodatku F. Merilne metode iz tega evropskega standarda se lahko uporabljajo v okviru energetskih pregledov klimatskih sistemov v skladu z Direktivo 2010/31/EU o energetski učinkovitosti stavb (glej standarda EN 15239, EN 15240). Ta evropski standard se lahko uporablja za prezračevalne sisteme v stanovanjih in hišah.

General Information

Status
Published
Public Enquiry End Date
29-Apr-2011
Publication Date
14-Jan-2013
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
12-Nov-2012
Due Date
17-Jan-2013
Completion Date
15-Jan-2013

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Lüftung von Gebäuden - Prüf- und Messverfahren für die Übergabe raumlufttechnischer AnlagenVentilation des bâtiments - Procédures d'essai et méthodes de mesure pour la réception des installations de conditionnement d'air et de ventilationVentilation for buildings - Test procedures and measurement methods to hand over air conditioning and ventilation systems91.140.30VLVWHPLVentilation and air-conditioningICS:Ta slovenski standard je istoveten z:EN 12599:2012SIST EN 12599:2013en,fr,de01-februar-2013SIST EN 12599:2013SLOVENSKI

STANDARDSIST EN 12599:2001SIST EN 12599:2000/AC:20041DGRPHãþD
SIST EN 12599:2013
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12599
October 2012 ICS 91.140.30 Supersedes EN 12599:2000English Version

Ventilation for buildings - Test procedures and measurement methods to hand over air conditioning and ventilation systems

Ventilation des bâtiments - Procédures d'essai et méthodes de mesure pour la réception des installations de conditionnement d'air et de ventilation

Lüftung von Gebäuden - Prüf- und Messverfahren für die Übergabe raumlufttechnischer Anlagen This European Standard was approved by CEN on 25 August 2012.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,

B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12599:2012: ESIST EN 12599:2013

EN 12599:2012 (E) 2 Contents Page Foreword ..............................................................................................................................................................51 Scope ......................................................................................................................................................62 Normative references ............................................................................................................................73 Test and check procedure ....................................................................................................................84 Completeness checks ........................................................................................................................ 105 Functional checks............................................................................................................................... 105.1 General ................................................................................................................................................. 105.2 Put system into use ............................................................................................................................ 105.3 Procedure ............................................................................................................................................ 106 Functional measurements ................................................................................................................. 116.1 General ................................................................................................................................................. 116.2 Range of functional measurements .................................................................................................. 116.3 Procedure ............................................................................................................................................ 126.4 Measuring methods and measuring devices ................................................................................... 136.4.1 General ................................................................................................................................................. 136.4.2 Measurement of the air flow rate ....................................................................................................... 136.4.3 Measurement of the ductwork leakage ............................................................................................. 136.4.4 Measurement of the indoor air velocity ............................................................................................. 136.4.5 Measurement of air temperature ........................................................................................................ 146.4.6 Measurement of the air humidity........................................................................................................ 146.4.7 Measurement of the sound pressure level ........................................................................................ 146.4.8 Measurement of the electrical power of the fan ................................................................................ 146.4.9 Measurement of the pressure difference at the air filter ................................................................ 146.5 Accompanying measurements .......................................................................................................... 147 Special measurements (see Annex E) ............................................................................................... 157.1 General ................................................................................................................................................. 157.2 Parameters .......................................................................................................................................... 157.3 Measurements of components ........................................................................................................... 157.3.1 Fans ...................................................................................................................................................... 157.3.2 Filters ................................................................................................................................................... 167.3.3 Heat exchangers .................................................................................................................................. 167.3.4 Air humidifiers ..................................................................................................................................... 187.4 Check of regulating, control and switching systems ....................................................................... 197.4.1 General ................................................................................................................................................. 197.4.2 Controls ............................................................................................................................................... 198 Uncertainty of measurements ........................................................................................................... 208.1 General ................................................................................................................................................. 208.2 Uncertainty of measuring devices .................................................................................................... 208.2.1 Instrument uncertainty (u1) ................................................................................................................ 208.2.2 Reading uncertainty (u2) .................................................................................................................... 208.3 Uncertainty of measurement results ................................................................................................ 218.4 Calculation of the error of the measuring equipment ..................................................................... 229 Test Reports ........................................................................................................................................ 229.1 General ................................................................................................................................................. 229.2 Handing over report............................................................................................................................ 229.3 Inspection report on the completeness check ................................................................................ 239.4 Inspection report on the functional check ....................................................................................... 23SIST EN 12599:2013

EN 12599:2012 (E) 3 9.5 Test report on the functional measurements ................................................................................... 249.6 Test report on the special measurements ........................................................................................ 24Annex A (informative)

Completeness check .................................................................................................. 25A.1 Documents ........................................................................................................................................... 25A.1.1 List of agreed specifications: ............................................................................................................. 25A.1.2 Inventory documents: .......................................................................................................................... 26A.1.3 Documents for operation and maintenance: ..................................................................................... 26A.2 Tests ..................................................................................................................................................... 26A.2.1 General inspection of: ......................................................................................................................... 26A.2.2 Balancing.............................................................................................................................................. 27A.2.3 Separate tests of: ................................................................................................................................. 27A.3 Test Report for the completeness check .......................................................................................... 30Annex B (informative)

Functional checks ...................................................................................................... 31B.1 General ................................................................................................................................................. 31B.2 Separate checks for components ...................................................................................................... 31B.2.1 Central devices, fans ........................................................................................................................... 31B.2.2 Heat exchanger .................................................................................................................................... 31B.2.3 Air filter ................................................................................................................................................. 32B.2.4 Humidifier ............................................................................................................................................. 32B.2.5 Multi leaf dampers ................................................................................................................................ 32B.2.6 Fire and smoke dampers ..................................................................................................................... 32B.2.7 Mixing section ...................................................................................................................................... 32B.2.8 Ductwork ............................................................................................................................................... 32B.2.9 Air flow pattern in the room as a function of the air terminal devices and geometrical obstacles .............................................................................................................................................. 32B.2.10 Control devices and switch cabinets ................................................................................................. 32Annex C (normative)

Determination of the extent of functional checks or measurements ...................... 34C.1 General ................................................................................................................................................. 34C.2 Parameters and similar locations ...................................................................................................... 34C.2.1 Parameter ............................................................................................................................................. 34C.2.2 Similar locations .................................................................................................................................. 34C.3 Determination of the total number n of similar locations ............................................................... 34C.4 Extent of checks or measurements ................................................................................................... 35Annex D (normative)

Measuring methods and measuring devices for functional measurements .......... 37D.1 Measurement of the air flow rate ....................................................................................................... 37D.1.1 General ................................................................................................................................................. 37D.1.2 Measurement in the duct cross-section ............................................................................................. 37D.1.3 Measurement with throttle devices ..................................................................................................... 43D.1.4 Measurement in the cross-section of a chamber, the fan-casing or device .................................... 43D.1.5 Measurement at the air terminal devices ........................................................................................... 43D.1.6 Measuring devices (Examples) ........................................................................................................... 47D.2 Measurement of the indoor air velocity ............................................................................................ 48D.2.1 Measuring methods ............................................................................................................................. 48D.2.2 Measuring devices ............................................................................................................................... 48D.3 Measurement of air temperature ........................................................................................................ 49D.3.1 Measuring methods ............................................................................................................................. 49D.3.2 Measuring devices .............................................................................................................................. 50D.4 Measurement of the air humidity ....................................................................................................... 50D.5 Measurement of the sound level ........................................................................................................ 51D.6 Measurement of the electrical power of the fan ............................................................................... 51D.6.1 Measuring method ............................................................................................................................... 51D.6.2 Measuring equipment ......................................................................................................................... 53D.6.3 Measuring section ............................................................................................................................... 53D.6.4 Measurement uncertainties ................................................................................................................ 53D.7 Pressure difference at the air filter .................................................................................................... 54D.8 Air leakage ........................................................................................................................................... 54D.8.1 Measuring method ............................................................................................................................... 54SIST EN 12599:2013

EN 12599:2012 (E) 4 D.8.2 Measuring equipment ......................................................................................................................... 54D.8.3 Measuring section .............................................................................................................................. 54D.8.4 Measurement uncertainty .................................................................................................................. 55Annex E (normative)

Special measurements ................................................................................................ 56E.1 Measuring instruments ...................................................................................................................... 56E.2 Measuring of parameters ................................................................................................................... 56E.2.1 Pressure ............................................................................................................................................... 56E.2.2 Temperature ........................................................................................................................................ 58E.2.3 Humidity ............................................................................................................................................... 62E.2.4 Air flow ................................................................................................................................................. 62E.2.5 Sound ................................................................................................................................................... 69E.2.6 Air pollution ......................................................................................................................................... 69E.2.7 Electric Power ..................................................................................................................................... 72E.3 Measurements in rooms .................................................................................................................... 72E.3.1 General ................................................................................................................................................. 72E.3.2 Thermal environment ......................................................................................................................... 72E.3.3 Ventilation effectiveness .................................................................................................................... 73E.3.4 Acoustic environment ........................................................................................................................ 74Annex F (informative)

Contractual agreements ............................................................................................ 75Annex G (informative)

Examples for determination of the number of functional checks and measurements ..................................................................................................................................... 76G.1 Functional checks............................................................................................................................... 76G.2 Functional measurements ................................................................................................................. 77Annex H (informative)

Examples for measurement uncertainty ................................................................. 78H.1 Measuring equipments for measuring of the velocity and the cross-section .............................. 78H.2 Velocity measurement by Pitot Static Tube (Prandtl tube) ............................................................. 78H.3 Example as H.1 using the same references but lower velocity, larger distance ............................ 79H.4 Example: Measurement of velocity by axial vane anemometer ....................................................... 79Annex I (informative)

Examples of measuring protocols for the air-flow rate ........................................... 81Bibliography ..................................................................................................................................................... 85 SIST EN 12599:2013

EN 12599:2012 (E) 5 Foreword This document (EN 12599:2012) has been prepared by Technical Committee CEN/TC 156 “Ventilation for buildings”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2013, and conflicting national standards shall be withdrawn at the latest by April 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12599:2000. The significant technical changes between this edition and the previous one are:  the scope was modified so that the test methods and measuring instruments can be used before, during and after handing over instead of at the stage of handing over, and also in the frame of EPBD-measurements;  the scope was modified so that EN 12599 does not exclude dwellings;  the normative references have been updated;  Table 1 now includes requirements for the cleanliness and leakage of the system;  in Table 2, the uncertainty of the air flow rate has been reduced from ± 20 % to ± 15 % for each individual room and from ± 15 % to ± 10 % for each system;  a formula to calculate the uncertainty of the measuring location τu has been added to Table E.4  methods to measure the electrical power have been added.

According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

SIST EN 12599:2013

EN 12599:2012 (E) 6 1 Scope This European Standard specifies checks, test methods and measuring instruments in order to verify the fitness for purpose of the installed systems primarily for handing over which will be partially performed before, during and after handing over. This European Standard enables the choice between simple test methods, when sufficient, and extensive measurements, when necessary. This European Standard applies to mechanically operated ventilation and air conditioning systems as specified in EN 12792 and comprising any of the following:  air terminal devices and units,  air handling units,  air distribution systems (supply, extract, exhaust),  fire protection devices,  automatic control devices. When the system is set, adjusted and balanced measurement methods described in this European Standard apply. This European Standard does not apply to:  heat generating systems and their control,  refrigerating systems and their control,  distribution of heating and cooling medium to the air handling units,  compressed air supplying systems,  water conditioning systems,  central steam generating systems for air humidifying,  electric supply systems. This European Standard applies to ventilation and air conditioning systems designed for the maintenance of comfort conditions in buildings. It is not applicable in the case of systems for the control of industrial or other special process environments. In the latter case, however, it may be referred to if the system technology is similar to that of the above mentioned ventilation and air conditioning systems. This European Standard does not include any requirements concerning the installation contract. However, in order to facilitate the application of this standard, the installation contract should refer to the provisions which are listed in Annex F. The measuring methods in this European Standard can be used in the frame of the energy inspection of air-conditioning systems according to EU Directive 2010/31/EU "Energy performance of buildings Directive" (see EN 15239, EN 15240). This European Standard may be used for residential and dwelling ventilation systems.

SIST EN 12599:2013

EN 12599:2012 (E) 7 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 308, Heat exchangers — Test procedures for establishing performance of air to air and flue gases heat recovery devices EN 1507, Ventilation for buildings — Sheet metal air ducts with rectangular section — Requirements for strength and leakage EN 1822-1, High efficiency particulate air filters (EPA, HEPA and ULPA) — Part 1: Classification, performance testing, marking. EN 12097, Ventilation for buildings — Ductwork — Requirements for ductwork components to facilitate maintenance of ductwork systems EN 12237, Ventilation for buildings — Ductwork — Strength and leakage of circular sheet metal ducts EN 12238, Ventilation for buildings — Air terminal devices — Aerodynamic testing and rating for mixed flow application EN 13182, Ventilation for buildings — Instrumentation requirements for air velocity measurements in ventilated spaces

EN 13779, Ventilation for non-residential buildings — Performance requirements for ventilation and room-conditioning systems EN 14239, Ventilation for buildings — Ductwork — Measurement of ductwork surface area EN 15423:2008, Ventilation for buildings — Fire precautions for air distribution systems in buildings

EN 15726, Ventilation for buildings — Air diffusion — Measurements in the occupied zone of air conditioned/ventilated rooms to evaluate thermal and acoustic conditions EN 15780, Ventilation for buildings — Ductwork — Cleanliness of ventilation systems EN 60584-1, Thermocouples — Part 1: Reference tables (IEC 60584-1) EN 60584-2, Thermocouples — Part 2: Tolerances (IEC 60584-2) EN 60751, Industrial platinum resistance thermometers and platinum temperature sensors (IEC 60751) EN 61672-1, Electroacoustics — Sound level meters — Part 1: Specifications (IEC 61672-1) EN ISO 3740, Acoustics — Determination of sound power levels of noise sources — Guidelines for the use of basic standards (ISO 3740) EN ISO 3744, Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane (ISO 3744) EN ISO 3746, Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746) EN ISO 3747, Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering/survey methods for use in situ in a reverberant environment (ISO 3747) SIST EN 12599:2013

EN 12599:2012 (E) 8 EN ISO 7726, Ergonomics of the thermal environment — Instruments for measuring physical quantities (ISO 7726) EN ISO 11201, Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections (ISO 11201) EN ISO 12569, Thermal performance of buildings — Determination of air change in buildings — Tracer gas dilution method (ISO 12569) ENV 13005, Guide to th

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