{"id":236298,"date":"2024-10-19T15:25:18","date_gmt":"2024-10-19T15:25:18","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-8497-12008\/"},"modified":"2024-10-25T10:02:11","modified_gmt":"2024-10-25T10:02:11","slug":"bs-8497-12008","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-8497-12008\/","title":{"rendered":"BS 8497-1:2008"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
3<\/td>\nContents
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Spectral transmittance 2
5 Luminous transmittance 2
6 Colour of the protective filters 3
7 Material and surface defects 3
8 Active filters 4
9 Construction of eye protectors 4
10 Labelling 4
11 Information to be supplied by the manufacturer 5
Annexes
Annex A (informative) Filter protection factor (FPF) 6
Annex B (informative) Calculation of FPF for protective eyewear – Example 1 7
Annex C (informative) Calculation of FPF for protective eyewear – Example 2 9
Annex D (informative) Spectral hazard weighting functions 12
Bibliography 15
List of figures
Figure B.1 – Spectral irradiance of ILS device A with different filtering attachments 7
Figure B.2 – Transmittance of eyewear protective filters 1, 2, 3 and 4 8
Figure C.1 – Spectral irradiance of ILS device B with interchangeable lamps 1, 2 and 3 9
Figure C.2 – Spectral transmittance of eyewear protective filters 5, 6 and 7 10
List of tables
Table B.1 – FPF of filters 1, 2 3 and 4 and different filtering attachments of ILS device A 9
Table C.1 – FPF of filters 5, 6 and 7 and interchangeable lamps 1, 2 and 3 of ILS device B 11
Table D.1 – Ultra-violet hazard weighting function S(l) 12
Table D.2 – Blue light hazard B(l) and retinal thermal hazard R(l) weighting functions 13 <\/td>\n<\/tr>\n
4<\/td>\nForeword <\/td>\n<\/tr>\n
5<\/td>\nIntroduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 blue light hazard
3.2 filter protection factor (FPF)
3.3 infra-red eye lens hazard
3.4 intense light source (ILS) <\/td>\n<\/tr>\n
6<\/td>\n3.5 retinal thermal hazard
3.6 ultra-violet hazard
4 Spectral transmittance
5 Luminous transmittance <\/td>\n<\/tr>\n
7<\/td>\n6 Colour of the protective filters
7 Material and surface defects <\/td>\n<\/tr>\n
8<\/td>\n8 Active filters
9 Construction of eye protectors
10 Labelling
a) model number;
b) whether it is intended for the ILS patient\/client only;
c) manufacturer\u2019s identification. <\/td>\n<\/tr>\n
9<\/td>\n11 Information to be supplied by the manufacturer
a) a clear statement of the model number of the eye protection;
b) a reproduction of the labelling in accordance with Clause 10 and an explanation of its meaning;
c) spectral transmittance of the filters in tabular or graphic form at 2 nm intervals;
d) for eye protectors intended for use by an ILS operator, luminous transmittance in accordance with Clause 5;
e) for eye protectors intended for use by an ILS operator, the CIE colour co-ordinates (x, y) of the protective filters in accordance with Clause 6, with optional presentation on a CIE chromaticity chart;
f) for active filters, maximum time to achieve specified attenuation, in accordance with Clause 8;
g) for active filters powered by electrical mains or batteries, specification of power settings and power tolerances;
h) instructions for use, care, storage, cleaning and disinfection of the eye protector;
i) instructions for inspection and guidance on when the eye protector should be replaced;
j) the name and address of the manufacturer or supplier of the eye protector;
k) certification mark, if applicable. <\/td>\n<\/tr>\n
10<\/td>\nAnnex A (informative) Annex A (informative) Filter protection factor (FPF) <\/td>\n<\/tr>\n
11<\/td>\na) calculate the weighted radiance using spectral irradiance of ILS equipment provided by the ILS equipment manufacturer (or measure actual spectral irradiance, if data is not available);
b) determine the ELVs for exposure duration and type of hazard;
c) compare measured values with the ELVs.
Annex B (informative) Calculation of FPF for protective eyewear – Example 1
Figure B.1 Spectral irradiance of ILS device A with different filtering attachments <\/td>\n<\/tr>\n
12<\/td>\nFigure B.2 Transmittance of eyewear protective filters 1, 2, 3 and 4 <\/td>\n<\/tr>\n
13<\/td>\nTable B.1 FPF of filters 1, 2 3 and 4 and different filtering attachments of ILS device A
Annex C (informative) Calculation of FPF for protective eyewear – Example 2
Figure C.1 Spectral irradiance of ILS device B with interchangeable lamps 1, 2 and 3 <\/td>\n<\/tr>\n
14<\/td>\nFigure C.2 Spectral transmittance of eyewear protective filters 5, 6 and 7 <\/td>\n<\/tr>\n
15<\/td>\nTable C.1 FPF of filters 5, 6 and 7 and interchangeable lamps 1, 2 and 3 of ILS device B <\/td>\n<\/tr>\n
16<\/td>\nAnnex D (informative) Spectral hazard weighting functions
Table D.1 Ultra-violet hazard weighting function S(l) <\/td>\n<\/tr>\n
17<\/td>\nTable D.2 Blue light hazard B(l) and retinal thermal hazard R(l) weighting functions <\/td>\n<\/tr>\n
19<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Eyewear for protection against intense light sources used on humans and animals for cosmetic and medical applications – Specification for products<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2008<\/td>\n20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":236301,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-236298","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/236298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/236301"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=236298"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=236298"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=236298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}