BS EN 171:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Personal eye-protection. Infrared filters. Transmittance requirements and recommended use
Hardcopy , PDF
English
13-05-2002
06-06-2022
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Designation and identification
5 Requirements
5.1 General
5.2 Transmittance requirements
5.3 Oculars with enhanced colour recognition (optional)
5.4 Oculars with enhanced reflectance in the infrared (optional)
Annex A (normative) Relative visual attenuation quotient for
signal light recognition
A.1 Definition of relative visual attenuation quotient for
signal light recognition
A.2 Spectral functions for the calculation of luminous
transmittance and relative visual attenuation quotients
Annex B (informative) Guidance on selection and use
B.1 General
B.2 Filters with enhanced colour recognition
8.3 Filters with enhanced reflectance in the infrared
Annex C (informative) Uncertainty of measurement and results
interpretation
C.1 Test report and uncertainty of measurement
Annex ZA (informative) Clauses of this European Standard addressing
essential requirements or other provisions of EU Directives
Specifies the transmittance requirements and the scale numbers for filters for protection against infra-red radiation.
| Committee |
PH/2
|
| DevelopmentNote |
Supersedes 99/563097 DC. (06/2002)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| NEN EN 171 : 2002 | Identical |
| NBN EN 171 : 2002 | Identical |
| NS EN 171 : 2ED 2002 | Identical |
| EN 171:2002 | Identical |
| I.S. EN 171:2002 | Identical |
| NF EN 171 : 2002 | Identical |
| DIN EN 171:2002-08 | Identical |
| UNE-EN 171:2002 | Identical |
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