NEN EN 14175-3 : 2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
   3.1 plane of sash
   3.2 inner measurement plane
   3.3 containment factor (C[F])
4 Test room and general test conditions
   4.1 Dimensions and construction
   4.2 Test room conditions
   4.3 Fume cupboard installation
   4.4 Test conditions
5 Air flow tests
   5.1 Extract volume flow rate
   5.2 Face velocity
   5.3 Containment
   5.4 Robustness of containment
   5.5 Air exchange efficiency
   5.6 Pressure drop
6 Sash tests
   6.1 Sash suspension test
   6.2 Sash displacement test
   6.3 Protection against splashes
   6.4 Sash stop and alarm test
7 Air flow indicator tests
8 Construction and materials tests
9 Illuminance test
10 Test report
Annex A (informative) Sound tests
National annex NA (informative) Recommendations for
                  the exchange of information and
                  recommendations for installation
Bibliography

Describes type test methods for the assessment of safety and performance of fume cupboards.