EN 171:2002
Superseded
Personal eye-protection - Infrared filters - Transmittance requirements and recommended use
03-20-2002
05-07-2022
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Designation and identification
5 Requirements
Annex A (normative) - Relative visual attenuation
quotient for signal light recognition
Annex B (informative) - Guidance on selection and use
Annex C (informative) - Uncertainty of measurement and
results interpretation
Annex ZA (informative) - Clauses of this European
Standard addressing essential requirements
or other provisions of EU Directives
This European Standard specifies the scale numbers and transmittance requirements for filters for protection against infrared radiation.The other applicable requirements for these types of filters and the frames/mountings to which they are intended to be fitted are given in EN 166. Guidance on the selection and use of these filters is given in annex B.NOTEThe protective filters specified in this standard are not suitable for the direct or indirect observation of an electric arc. For this purpose a welding filter appropriate to the source being observed should by used.
| Committee |
CEN/TC 85
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| Supersedes |
| Standards | Relationship |
| BS EN 171:2002 | Identical |
| NEN EN 171 : 2002 | Identical |
| NBN EN 171 : 2002 | Identical |
| NS EN 171 : 2ED 2002 | Identical |
| NBN EN 165 : 2006 | Identical |
| I.S. EN 171:2002 | Identical |
| NBN EN 12941 : 1998 AMD 2 2009 | Identical |
| NF EN 171 : 2002 | Identical |
| PN EN 171 : 2005 | Identical |
| DIN EN 171:2002-08 | Identical |
| UNE 81112:1990 | Identical |
| UNE-EN 171:2002 | Identical |