EN 12238:2001
Current
The latest, up-to-date edition.
08-29-2001
Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 functional characteristics of air terminal devices
3.2 Symbols
4 Instrumentation
4.1 Air flow rate measurement
4.2 Pressure measurement
4.3 Temperature measurements
4.4 Velocity measurements
5 Testing of pressure and air velocity v[k]
(first test installation)
5.1 Measurement of pressure requirement for a supply
air terminal device
5.1.1 General
5.1.2 Measurement of static gauge pressure p[s]
with the first test installation A
5.1.3 Direct measurement of total pressure p[t]
with the first installation A
5.1.4 Measurement of static pressure p[s] with
the first installation B
5.1.5 Presentation of total pressure p[t]
5.2 Measurement of pressure requirement for an exhaust
air terminal device
5.2.1 Procedure
5.2.2 Measurement of static pressure with the first
test installation C for exhaust air terminal
device (excluding air transfer devices)
5.2.3 Direct measurement of total pressure with the
first installation C, for exhaust air terminal
device
5.2.4 Measurement of static pressure with the first
test installation D for exhaust air terminal
device
5.2.5 Presentation of total pressure p[t]
5.3 Determination of air velocity v[k] and the corresponding
area A[k] for the air terminal device (not mandatory)
5.3.1 Principle
5.3.2 Test installation
5.3.3 Test procedure
5.3.4 Correction of flow rates to standard air conditions
5.3.5 Calculation of A[k]
6 Test to measure the isothermal air discharge characteristics
of a supply air terminal device (second test installation)
6.1 Test measurements
6.2 Test room
6.3 Test room equipment and instrumentation
6.4 Installation of the air thermal device
6.4.1 Classification of air terminal devices
6.4.2 Mounting of air terminal devices
6.4.3 Test duct and flow rate
6.5 Test procedure
6.6 Determination of isothermal performance
6.6.1 Test measurements
6.6.2 Determination of the main air stream direction
6.6.3 Measurement of air stream velocities
6.6.4 Determination of throw
6.6.5 Determination of spread
6.6.6 Determination of rise and drop
Annex A (normative) Alternative exploratory technique for
determination of throw, spread and drop
A.1 Scope
A.2 Determination of the point of maximum velocity
A.3 Determination of points at envelope velocity
A.4 Determination of spread
A.5 Determination of the rise and drop
A.6 Number of determinations
This European Standard specifies methods for the laboratory aerodynamic testing and rating of air terminal devices for mixed flow applications, including the specification of suitable test facilities and measurement techniques.The standard gives only tests for the assessment of characteristics of the air terminal devices under isothermal conditions.The testing of low velocity air terminal devices is specified in EN 12239.
| Committee |
CEN/TC 156
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| PN EN 12238 : 2002 | Identical |
| BS EN 12238:2001 | Identical |
| NF EN 12238 : 2001 | Identical |
| NS EN 12238 : 1ED 2001 | Identical |
| UNE-EN 12238:2002 | Identical |
| I.S. EN 12238:2001 | Identical |
| SN EN 12238 : 2002 | Identical |
| NEN EN 12238 : 2001 | Identical |
| NBN EN 12238 : 2001 | Identical |
| DIN EN 12238:2001-12 | Identical |
| UNI EN 12238 : 2005 | Identical |
| DIN EN 15726 E : 2011 | VENTILATION FOR BUILDINGS - AIR DIFFUSION - MEASUREMENTS IN THE OCCUPIED ZONE OF AIR-CONDITIONED/VENTILATED ROOMS TO EVALUATE THERMAL AND ACOUSTIC CONDITIONS |
| BS EN 16445:2013 | Ventilation for buildings. Air diffusion. Aerodynamic testing and rating for mixed flow application: non-isothermal procedure for cold jet |
| DIN EN 14277 E : 2006 | VENTILATION FOR BUILDINGS - AIR TERMINAL DEVICES - METHOD FOR AIRFLOW MEASUREMENT BY CALIBRATED SENSORS IN OR CLOSE TO ATD/PLENUM BOXES |
| BS EN 12599:2012 | Ventilation for buildings. Test procedures and measurement methods to hand over air conditioning and ventilation systems |
| BS EN 13141-2:2010 | Ventilation for buildings. Performance testing of components/products for residential ventilation Exhaust and supply air terminal devices |
| EN 13141-2:2010 | Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 2: Exhaust and supply air terminal devices |
| EN 12239:2001 | Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications |
| EN 12599:2012 | Ventilation for buildings - Test procedures and measurement methods to hand over air conditioning and ventilation systems |
| BS EN ISO 7235:2009 | Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss |
| UNI EN 16445 : 2013 | VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXED FLOW APPLICATION: NON-ISOTHERMAL PROCEDURE FOR COLD JET |
| UNI EN 15423 : 2008 | VENTILATION FOR BUILDINGS - FIRE PRECAUTIONS FOR AIR DISTRIBUTION SYSTEMS IN BUILDINGS |
| 08/30188933 DC : DRAFT SEP 2008 | BS EN 15854 - VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXING FLOW APPLICATION - NON-ISOTHERMAL PROCEDURE FOR A COLD JET |
| DIN EN 16445 E : 2013 | VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXED FLOW APPLICATION: NON-ISOTHERMAL PROCEDURE FOR COLD JET |
| 01/714475 DC : DRAFT NOV 2001 | BS EN 14277 - VENTILATION FOR BUILDINGS - AIR TERMINAL DEVICES - METHOD FOR AIRFLOW MEASUREMENT BY CALIBRATED SENSORS IN ATD/PLENUM BOXES |
| DIN EN 15423 E : 2008 | VENTILATION FOR BUILDINGS - FIRE PRECAUTIONS FOR AIR DISTRIBUTION SYSTEMS IN BUILDINGS |
| 17/30332533 DC : 0 | BS EN 13141-1 - VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 1: EXTERNALLY AND INTERNALLY MOUNTED AIR TRANSFER DEVICES |
| 08/30175518 DC : DRAFT SEP 2008 | BS EN 13141-2 - VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 2: EXHAUST AND SUPPLY AIR TERMINAL DEVICES |
| PREN 12599 : DRAFT 2010 | VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS |
| I.S. EN 15726:2011 | VENTILATION FOR BUILDINGS - AIR DIFFUSION - MEASUREMENTS IN THE OCCUPIED ZONE OF AIR-CONDITIONED/VENTILATED ROOMS TO EVALUATE THERMAL AND ACOUSTIC CONDITIONS |
| UNE-EN 15726:2012 | Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions |
| I.S. EN ISO 7235:2009 | ACOUSTICS - LABORATORY MEASUREMENT PROCEDURES FOR DUCTED SILENCERS AND AIR-TERMINAL UNITS - INSERTION LOSS, FLOW NOISE AND TOTAL PRESSURE LOSS |
| DIN EN 13141-2:2010-12 | Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 2: Exhaust and supply air terminal devices |
| I.S. EN 12599:2012 | VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS |
| I.S. EN 13141-2:2010 | VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 2: EXHAUST AND SUPPLY AIR TERMINAL DEVICES |
| DIN EN ISO 7235:2010-01 | Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003) |
| BS EN 15423:2008 | Ventilation for buildings. Fire precaution for air distribution systems in buildings |
| UNI EN 14277 : 2008 | VENTILATION FOR BUILDINGS - AIR TERMINAL DEVICES - METHOD FOR AIRFLOW MEASUREMENT BY CALIBRATED SENSORS IN OR CLOSE TO ATD/PLENUM BOXES |
| 10/30235574 DC : 0 | BS EN 12599 - VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS |
| UNI EN 15726 : 2011 | VENTILATION FOR BUILDINGS - AIR DIFFUSION - MEASUREMENTS IN THE OCCUPIED ZONE OF AIR-CONDITIONED/VENTILATED ROOMS TO EVALUATE THERMAL AND ACOUSTIC CONDITIONS |
| UNE-EN 13141-2:2011 | Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 2: Exhaust and supply air terminal devices |
| UNI EN 12599 : 2012 | VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS |
| UNI EN 13141-2 : 2010 | VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 2: EXHAUST AND SUPPLY AIR TERMINAL DEVICES |
| UNI EN ISO 7235 : 2009 | ACOUSTICS - LABORATORY MEASUREMENT PROCEDURES FOR DUCTED SILENCERS AND AIR- TERMINAL UNITS - INSERTION LOSS, FLOW NOISE AND TOTAL PRESSURE LOSS |
| DIN EN 15726:2011-12 | Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions; German version EN 15726:2011 |
| BS EN 15726:2011 | Ventilation for buildings. Air diffusion. Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions |
| DIN EN 16445:2013-05 | VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXED FLOW APPLICATION: NON-ISOTHERMAL PROCEDURE FOR COLD JET |
| PREN 13141-1 : DRAFT 2017 | VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 1: EXTERNALLY AND INTERNALLY MOUNTED AIR TRANSFER DEVICES |
| DIN EN 13141-1:2004-05 | VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 1: EXTERNALLY AND INTERNALLY MOUNTED AIR TRANSFER DEVICES |
| DIN EN 12599:2013-01 | VENTILATION FOR BUILDINGS - TEST PROCEDURES AND MEASUREMENT METHODS TO HAND OVER AIR CONDITIONING AND VENTILATION SYSTEMS |
| UNE-EN ISO 7235:2010 | Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003) |
| ISO 7235:2003 | Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss |
| BS EN 14277:2006 | Ventilation for buildings. Air terminal devices. Method for airflow measurement by calibrated sensors in or close to ATD/plenum boxes |
| EN 15423:2008 | Ventilation for buildings - Fire precautions for air distribution systems in buildings |
| EN 15726:2011 | Ventilation for buildings - Air diffusion - Measurements in the occupied zone of air-conditioned/ventilated rooms to evaluate thermal and acoustic conditions |
| EN 14277:2006 | Ventilation for buildings - Air terminal devices - Method for airflow measurement by calibrated sensors in or close to ATD/plenum boxes |
| EN 16445:2013 | Ventilation for buildings - Air diffusion - Aerodynamic testing and rating for mixed flow application: non-isothermal procedure for cold jet |
| EN ISO 7235:2009 | Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003) |
| DIN EN 15423:2008-09 | VENTILATION FOR BUILDINGS - FIRE PRECAUTIONS FOR AIR DISTRIBUTION SYSTEMS IN BUILDINGS |
| BS EN 13141-1:2004 | Ventilation for buildings. Performance testing of components/products for residential ventilation Externally and internally mounted air transfer devices |
| I.S. EN 16445:2013 | VENTILATION FOR BUILDINGS - AIR DIFFUSION - AERODYNAMIC TESTING AND RATING FOR MIXED FLOW APPLICATION: NON-ISOTHERMAL PROCEDURE FOR COLD JET |
| I.S. EN 15423:2008 | VENTILATION FOR BUILDINGS - FIRE PRECAUTIONS FOR AIR DISTRIBUTION SYSTEMS IN BUILDINGS |
| I.S. EN 13141-1:2004 | VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 1: EXTERNALLY AND INTERNALLY MOUNTED AIR TRANSFER DEVICES |
| EN 13141-1:2004 | Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 1: Externally and internally mounted air transfer devices |
| BS EN 12239:2001 | Ventilation for buildings. Air terminal devices. Aerodynamic testing and rating for displacement flow applications |
| DIN EN 14277:2006-11 | Ventilation for buildings - Air terminal devices - Method for airflow measurement by calibrated sensors in or close to ATD/plenum boxes |
| EN ISO 5167-1:2003 | Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003) |
| ISO 5167-1:2003 | Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements |
| CR 12792 : 1997 | VENTILATION FOR BUILDINGS - SYMBOLS AND TERMINOLOGY |
| EN 12239:2001 | Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications |
| ISO 3966:2008 | Measurement of fluid flow in closed conduits Velocity area method using Pitot static tubes |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.