Wind Test — EN 1932 / EN 12211 / MIL-STD-810

What Is Wind?

The wind test is one in which airflow at a defined speed, or an equivalent pressure, is applied to the sample to assess structural strength, deformation and loss of function. A pressure chamber is used for building elements and a wind tunnel for equipment.

Purpose of Wind

The purpose is to verify that building elements and equipment used outdoors withstand wind load and do not present a safety risk.

Which Products Is Wind Applied To?

Window, facade and door systems
Sun-shading and awning systems
Outdoor antennas and poles
Billboards
Roofing elements

In Which Sectors Is Wind Used?

ElectronicsElectricalAutomotiveDefenceAerospace

Standards Related to Wind

EN 1932
EN 12211
EN 12179
MIL-STD-810 Method 506
ASTM E330

Wind Conditions

load application: Differential pressure in the pressure chamber or flow rate in the air tunnel
Load levels: Increasing pressure levels defined in the standard
Orientation: Positive (push) and negative (suction) pressure
Time: Defined holding time at each level

Equipment for Wind

Wind pressure test chamber
Differential pressure measurement system
Displacement transducers
Wind tunnel (for equipment tests)

Sample Requirements for Wind

The sample must be installed with its actual mounting detail
Displacement measurement points must be defined
Function (opening/closing) must be checked before the test
Mounting fasteners must comply with the specification

Duration of Wind

Depends on the number of steps; typically one working day.

Wind Procedure

1The sample is mounted in the test chamber and displacement transducers are placed.
2An initial function check is performed.
3Pressure is increased stepwise; displacement is measured at each step.
4Applied in both the positive and negative directions.
5The safety-load step is applied.
6Permanent deformation and function are checked.

Wind Acceptance Criteria

The acceptance criterion is given in the product standard: maximum deflection limit, permanent deformation limit, and no part failure after the safety load.

Evaluation of Results

The deflection-to-span ratio is calculated and a classification is made. Structural integrity is the basis at the safety-load step.

Wind Report

Standard applied
Pressure steps and directions
Measured deflection values
Permanent deformation and functional results
Classification

Accreditation

EUROLAB holds internationally recognised accreditation obtained from accreditation bodies party to the IAF and ILAC multilateral recognition arrangements, under ISO/IEC 17025 for laboratory testing, ISO/IEC 17020 for inspection and surveillance, and ISO/IEC 17021-1 and ISO/IEC 17065 for system and product certification. This chain ensures the reports and certificates issued are accepted worldwide.

Whether this test can be offered within accredited scope depends on your product and the standard applied; since accreditation is method-based, the scope is confirmed in writing at the quotation stage.

Scope and authorisations

Related Regulations

Construction Products Regulation (CPR)
Window and facade product standards

Environmental and Climatic Testing — What Does This Testing Field Cover?

The section below describes the field that the Wind test belongs to; the conditions and acceptance criteria of this particular test are given in the sections above. The scope specific to your product is confirmed in writing at the quotation stage.

Environmental testing shows whether a product withstands ambient factors such as temperature, humidity, pressure, solar radiation, dust, water and corrosive atmospheres. The aim is not to break the product but to bring forward, in ACCELERATED form, the conditions it will meet over its life.

Test profiles are derived from the product's real exposure, and that derivation is the actual engineering work of the field. A device operating in an enclosed office and one mounted on a pole are not tested with the same profile. The IEC 60068 series defines general methods, MIL-STD-810 military profiles, RTCA DO-160 aviation profiles and the ISO 16750 series location-based automotive profiles. A test applied without a profile selection produces both unnecessary cost and false confidence.

Temperature tests simulate three separate phenomena and all three produce different failure modes. Steady high/low temperature tests whether the material can operate at that temperature. Temperature CYCLING creates fatigue at joints between materials with different expansion coefficients — solder cracks appear here. Thermal SHOCK intensifies this effect through an abrupt transition.

There is a distinction in humidity testing too. Steady damp heat shows the diffusion of moisture into the material and its effect on insulation properties. Cyclic damp heat creates condensation: water droplets form on the cooling surface, and this is far more aggressive than dry humidity. Water ingress into enclosures, increased leakage current and corrosion usually appear in the cyclic test.

Dust and water protection is a separate body of work and is expressed by the IP code. The point to note here is that an IP test is not a DURABILITY test: it shows that protection is provided under defined and short-duration conditions, not resistance to long-term immersion or pressure washing.

The most common mistake in this family is translating a test result directly into a LIFE PREDICTION. Accelerated tests are designed for comparison and design verification; a reliable conversion between hours in a chamber and years in the field can only be established with a material-specific acceleration model calibrated against field data.

Functional monitoring determines the value of the test. Keeping a product in a temperature chamber and then switching it on does not show what happened DURING the test. In critical applications the product is operated throughout the test and its parameters are monitored; intermittent faults that appear and disappear can only be caught this way.

Method groups in this field

Temperature
Dry heat, cold, change of temperature and thermal shock; steady and cyclic profiles.
Humidity
Steady damp heat and cyclic damp heat; cycles with condensation are more aggressive.
Water and dust
IP protection tests: dripping, spraying, jets, immersion and dust tightness.
Radiation and ageing
Accelerated ageing by xenon arc and fluorescent UV, solar radiation simulation.
Pressure and altitude
Low pressure (altitude) and rapid pressure change tests.
Corrosive atmosphere
Salt spray, mixed flowing gas corrosion (simulating industrial atmospheres), mould and fungus tests.

Commonly confused in this field

Test duration cannot be converted into field life; a conversion made without an acceleration model is misleading.
Temperature cycling and steady temperature produce different failure modes; neither replaces the other.
If the product is not operated during the test, intermittent faults remain invisible; functional monitoring determines the value of the test.
IP protection is not evidence of durability; it shows protection under defined and short-duration conditions.
A test applied without profile selection both increases cost and gives false confidence.
The mounting and orientation arrangement affects the result; the report must document it.

Which decisions these results support

Design verification and qualification
Declaration of the protection class and operating temperature range
Reproducing field failures in the laboratory and root cause analysis
Supplier component approval
Decisions on warranty period and storage conditions

Related Tests

Frequently Asked Questions About Wind

According to which standard is Wind made?

Wind is executed in scope EN 1932, EN 12211, EN 12179, MIL-STD-810 Method 506 and ASTM E330. The limit values and acceptance criteria to be applied are defined in the product standard; The version valid for your product is confirmed in writing at the offer stage.

Which products does Wind apply to?

Mainly applied to Window, facade and door systems, Sun-shading and awning systems, Outdoor antennas and poles, Billboards and Roofing elements. Whether your product is included in the scope is determined by examining its technical specifications and intended use.

Under what conditions is Wind done?

The determining parameters are: load application — Differential pressure in the pressure chamber or flow rate in the air tunnel, Load levels — Increasing pressure levels defined in the standard and Orientation — Positive (push) and negative (suction) pressure. The full terms are in the "Test Conditions" section on the page and vary depending on the product standard.

What kind of sample is needed for Wind?

The sample must be installed with its actual mounting detail, Displacement measurement points must be defined and Function (opening/closing) must be checked before the test. The number of samples is determined according to the product standard and the scope to be reported.

How long does Wind take?

Depends on the number of steps; typically one working day. This duration belongs to the experiment itself; sample preparation, queuing and reporting are also evaluated. A realistic schedule for your product is given in the offer.

What is the Wind result called "appropriate"?

The acceptance criterion is given in the product standard: maximum deflection limit, permanent deformation limit, and no part failure after the safety load.