INTERNATIONAL STANDARD 4852 I NTERNATIONAL ORGANIZATION FOR STANOAROIZATION ME~YHAFO~HAR OPrAHM3ALblR l l0 CTAH~PTM3A~HM ORGANlSATlON I NTERNATIONALE DE NORMALISATION Personal eye protectqrs I nfra re[.]
I N TE RN ATIS ON TAN ALD ARD I N TE RN ATI ON AL ORG AN I ZATI ON FOR S TAN OAROI ZATI ON M E ~ YH AF O~ H AR Pers on al eye- prot ect q rs t ran smi t t an ce Prot ect i on de i n d i vi d u el l e de OPr AH M ALb l R l -l CTAH ~ P TM A~ H M ORG AN l S ATl ON I n fra- red fi l ters - 4852 I N TE RN ATI ON ALE DE U ti l i sati on N ORM ALI S ATI ON an d req u i remen t s I ’ oei l - Fi l tres po u r I ’i n f raro u g e - U ti l i sat i on et spkci fi cat i on s t ran smi ssi on Fi rst U DC ed i ti on - 89 Demri pt ors : 78 - - : 5 45 acci d en t preven ti on , Ref eyes, opt i cal fi l ters, i n frared N o I S0 48 - 78 ( E) radi ati on Pri ce based on pag es F OR E WOR D I S0 of (the I n t ern at i on al n at i on al I n t ern at i on al h as t h e i n st i t u t es St an d ard s m e m be r bo d y up Org an i z at i o n st an d ard s is i n t erest ed ri g h t to carri ed in for ( I S0 St an d ard i zat i on ) m e m be r ou t t h ro u g h a su bj ect for be repres en t ed o n wh i ch t h at I S0 Draf t I n t ern at i on al the m e m be r St an d ard s by t h e I n t ern at i on al l SO/TC 4, ci rcu l at ed St an d ard s ad o pt e d bo d i es I S0 for by appro val th ei r as i n t h e work are ci rcu l at ed I n t ern at i on al Cou n ci l St an d ard P e r s o n al I S0 s af e t y 48 - was d e vel o ped by cl o t h i n g an d Pro t ect i ve t o t h e m e m be r bo d i es i n Apri l Tech n i cal Co mm i t t ee eq u i pmen t , cou n t ri es H u n g ary Ro m an i a I ran So u t h Afri ca, Bel g i u m I rel an d Spai n Brazi l I srael Swi t z erl an d D e n m ar k I tal y Tu rkey Fi n l an d N e w Zel an d U n i t ed Fran ce N o r way U S S R G e r m an y Po l an d Yu g os l avi a for was : Au st ri a I n t ern at i on alOrg an i zat i on an d 77 Au st ral i a i n Swi t ze rl an d Every h as be e n set org an i zat i on s, co mmi t t ees accept an ce N o m e m b e r bo d y expres s e d d i sapproval of t h e d o cu m en t Pri n t e d fed erat i on d evel o pi n g co mmi t t ees co m mi t t ee I n t ern at i on al I t h as be e n appro ve d by t h e m e m b e r bo d i es of t h e fol l owi n g Q of I SO, al so t ake part t ech n i cal bef ore wo rk t ech n i cal commi t t ee the Th e a t ech n i cal g o vern men t al an d n o n - g o vern men t al , i n l i son wi t h to i s a wo rl d wi d e bod i es) St an d ard i zat i on , 78 l Re p of Ki n g d o m I N TERN ATI ON AL I S0 STAN D ARD Person al eye- protectors tran smi t t an ce SCOP E AN D Th i s an d FI ELD I nternati onal th e ti on ag n st thei r sel ecti on I S0 to Opti cal of I S0 u sed sh al l 4849 rel ati ng radi ati on Th e meet l atter for It th e for, al so n u mberi n g fi l ters for meth od s g en eral al so deal s wi th for ag n st test I S0 g i ven Th e symbol th e U ti l i sati on an d FI LTERS of n u mberi n g of fi l ters is g i ven in n u mber 4, 4849 to for sh ad e i nfra-red n u mber fi l ters i n cl u des correspon di n g cod e to th e fi l ter, ( see cl au se bel ow) g en eral si d erati on s su ch as i denti fi cati on eye- protectors form th e su bj ect meth od s for eye- protectors form TRAN SM I TTAN CE Th e defi n i ti on s th e of RE QU I REM E N TS tran smi ttan ce are g i ven i n I S0 4007 4855 Th e determi n ati on I S0 of tran smi ttan ce i s d escri bed i n cl au se 4854 RE FE RE N CE S Th e I S0 4007, Person al eye- prot ect ors - Vocabu l ary a tran smi ttan ce l i g ht fi l ter, I S0 4849, Person al I S0 4854, Person a/eye- prot ect ors I S0 4855, met h od s Person al eye- prot ect ors - - eye- prot ect ors Speci fi cat i on s Opt i cal - beam of except vari ati on s mm on a measu red di ameter marg i n al over by th e area m m th e scan n i n g of en ti re wi d e, area of sh al l N on - opt i cal ) t est wi th i n th e of 4854 I S0 l i mi ts defi n ed Th e tran smi ttan ce ti on ag n st i nfra-red ) as “rel ati ve req u i remen ts radi ati on for u n certai n ty” fi l ters i n tabl e u sed for are g i ven i n tabl e I - Tran smi ttan cerequ i remen ts M axi m u m mean tran smi ttancei n thei n fra red spect ru m Scal en u mber TN I R n ear I R maxi mu m 96 Yo nm 20OOt o1 OOn m % 96 74 37 4- 74 58 33 33 4- 58, l 43, 26 26 21 4- 43 29 4- 2a 43, 29, l 29 1 4- Z& 29, l 7, At 00 TM , Rmi d i R mi n i mu m 3OOto780 4- - 0, 20 0, 20 37 0, 20 0, 20 4- 4- 83 32 6, 5, 4- 32 3 4- O# ,7 ,s 4- 0, 44 0, 0, 81 I,2 4- 6 0, 061 43 68 4- 0, 061 0, 023 0, 20 0, 39 4- 0, 023 0085 0 25 presen tat the stag e of draft th e remai n ) t est met h od s, TABLE ) from in of OF tabl e I S0 an d Non - opti cal - on i nfra- red requ i remen ts compl ete cl au se of 4854 su bj ect of fi l ters N U M BE RI N G Th e of, protec- g i ves g u i dan ce protecti on th e eye- protectors, test speci fi es an d u se Eye- protectors radi ati on OF APPLI CATI ON requ i remen ts i nfra- red I n fra- red ( E) req u i remen ts Stan dard tran smi ttan ce - 4852- 978 protec- I SO485Z1 78 Addi ti on al a) ( E) requ i remen ts Maxi mu m : b) tran smi ttan ce in th e UV spectru m for al l Red l i mi t y= , 333x- 0, 34 scal es : c) 7(j z = 31 n m) < 0, l Yel l ow y = b) Bet ween exceed th at 21 an d 31 speci fi ed for n m, 31 tran smi ttan ce sh al l - Lu mi n ou s spectral di stri bu ti on stan dard Th e tran smi ttan ce co- ordi n ates observer ti nt for (2’ ) of d) n m a fu l l i n th e poi n t fi g u re in of as sh own fi l ters sh al l K radi ator ( see tabl e represen tati ve th e area defi n ed val u es, i nfra- red the 900 in be and tabl e , and based on the the CI E ( 931 e) a) l i mi ts = l i mi t 0, 440 Green l i mi t may l i e wi th i n f) 0, 836 x t 0, 090 Bl u e l i mi t bel ow x Th e fol l owi n g 0, 667 x Yel l ow- g reen y = I R fi l ter - I an nex) an 0, 790 n ot y N OTE ch romat i ci ty l i mi t 7” are recommen d ed = 0, 31 : Pu rpl e l i mi t (x arc 0, 52) of + (y - a ci rcl e ordi n ates of 0, 3) wi th wh i ch = radi u s are x = 0, 2632 of 0, 52, 0, 263, y = th e cen tre co- 0, 0, 45 0, 40 0, 35 0, 30 I 0, 25 0, 30 I 0, 40 FI G U RE - Ch romat i ci ty 0, 50 l i mi t s for IR fi l ters WX I S0 G U I D AN CE ON SELECTI ON AN D - scal e N u mberi n g Typi cal n u mber and typi cal appl i cati on in temperatu re 4- up to 050 070 4- 090 4- 40 4- 21 4- 290 4- 390 4- 500 4- 650 800 4- 4- 000 4- 21 50 - t erms of mean ‘C 1 appl i cati on s sou rces, 4- - ( E) U SE TABLE 4852- 978 2a 4- 5a For protecti on sou rces of i s not ag n st i nfra- red l arg e area wh ere essen ti al , for exampl e radi ati on protecti on in rol l i ng from ag nst g l are mi l l s I SO4852- 978( E) AN N E X TABLE and 3- Factorsforth ecal cu l ati on ofspectral tran smi ttan ce ch romat i ci ty radi ator 966 coordi n ates Kan dth e of fi l ters rel ati ve to Cl ( 931 ) stan dardobaerver s( n ml s( n ) i m a fu l l (2" ) s ( Al S( A) & nm 380 I,1 0, 000 0, 000 0, 001 390 , 68 0, 001 0, 000 0, 003 400 41 0, 003 0, 000 0, 01 41 3, 38 0, 01 0, 000 0, 057 420 4, 65 0, 051 0, 002 0, 246 430 6, 28 0, 46 0, 006 0, 71 440 8, 36 0, 238 0, 01 , 98 450 0, 95 0, 302 0, 034 , 589 460 4, 0, 337 0, 070 , 934 470 8, 03 0, 289 0, 34 , 901 480 22, 70 0, 78 0, 258 , 51 490 28, 25 0, 074 0, 481 , 077 500 34, 78 0, 01 0, 920 0, 775 0, 550 51 42, 40 0, 032 , 747 520 51 , 0, 285 2, 978 0, 328 530 61 , 26 0, 831 4, 326 0, 21 0, 21 640 72, 89 , 729 5, 661 550 85, 58 3, 039 6, 976 0, 061 580 09, oo 4, 871 8, 52 0, 032 570 1 04 580 33, 75 0, 020 0, 01 590 53, 21 2, 882 9, 502 0, 01 74, 46 5, 82 9, 01 0, 01 81 9754 6, 226 8, 41 0, 005 620 222, 49 5, 574 6, 945 0, 004 630 249, 32 3, 22 5, 41 0, 000 640 278, 06 0, 203 3, 987 O ooO 650 308, 69 7, 70 2, 706 0, 000 660 341 , 22 4, 61 , 705 0, 000 O ooO 670 375, 62 2, 690 0, 985 680 41 , 88 , 579 0, 574 0, 000 690 449, 94 0, 837 0, 302 0, 000 700 48978 0, 457 0, 65 o, @J o 71 531 34 0, 252 0, 091 0, 000 720 574, 57 0, 37 0, 647 0, ow 730 61 939 0, 071 0, 025 o, ooo 740 665, 73 0, 038 0, 01 0, 000 750 71 3, 53 0, 01 0, 006 0, 000 760 762, 69 0, 01 0, 006 0, 000 770 81 3, 0, 007 0, ow 0, ow 780 864, 78 0, 000 0, wo 0, 000 Con stan tC$= z 9, 050 9, 534 600 , 43979X 780 380 7, 245 0, 941 S( I ) v' ( b) 00, 000 0- * m K