1、 28 , (IEC 60079-28:2006, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)31610.282012/IEC 60079-28:2006, 1.092 . 1.22009 . , - . , , -, 1 -( -)2 ()3 , (- 24 2012 . 41) : ( 3166) 00497 ( 3166) 00497 AZAMBYKZKGMDRUUZ -4 29 2012 . 1366- 31610.282012/IEC 60079-28:2006 -
2、 15 2014 .5 60079-28:2006 Explosiveatmospheres Part 28: Protection of equipment and transmission systems using optical radiation (- . 28. , -). - . (IDT). 52350.282007 ( 60079-28:2006)6 - , - . () - . , , 2014 -, II 31610.282012/IEC 60079-28:20061 12 23 24 .44.1 44.2 45 45.1 45.2 op is 55.3 op pr .7
3、5.4 op sh75.5 .86 86.1 86.2 97 107.1 .107.2 , 107.3 10 () 11 B () 12 C () .18 D () - 19 E () , - 20 23 () .25III 31610.282012/IEC 60079-28:2006 IEC 60079-28, 94/9 ; . :- , ;- . IEC 60079-0:2004 . 0. - -, , , . , , . (, , , . .) - , , . . - . . - . :a) , , , - .b) , - .c) .d) , . - . , , ). - d). -,
4、 . - , - , . - , .IV 31610.282012/IEC 60079-28:2006 28 , Explosive atmospheres. Part 28. Protection of equipment and transmission systems using optical radiation 201402151 - , . , , - . , , , , , , . 380 10 . :- , , - , - ;- , . - . 1 . a) d) . - . - , . , - . IEC 60079-0. IEC 60079-0 - . 2 b) c),
5、 - - (. B). 3 - IEC 60825-2:2000. 4 op is, op pr op sh () Ga, Gb Gc. . .1 31610.282012/IEC 60079-28:2006 2 . - . ( ).IEC 60079 ( ) Electrical apparatus for explosive gas atmospheres ( )IEC 60079-0 Electrical apparatus for explosive gas atmospheres Part 0: General requirements( . 0. )IEC 60079-10 E
6、lectrical apparatus for exlosive gas atmospheres Part 10: Classification of hazardousareas ( . 10. - )IEC 60079-11 Electrical apparatus for explosive gas atmospheres Part 11: Intrinsic safety i( . 11. i)IEC 60825-2 Safety of laser products Part 2: Safety of optical fibre communication systems (- . 2
7、 - )IEC 61508 ( ) Functional safety of electrical/electronic/programmable electronic safety-relatedsystems ( / )IEC 61511 ( ) Functional safety Safety instrumented systems for the process industry sector( . )3 IEC 60079-0, . , , IEC 60050-426 1.3.1 (absorption): , , ( 731-03-14)3.2 ( ) (beam diamet
8、er or beam width): , - ( 731-01-35) .3.3 (beam strength): , - , , , .3.4 (core): , - ( 731-02-04)3.5 (cladding): -, ( 731-02-05)3.6 (fibre bundle): -( 731-04-09)3.7 - (fibre optic terminal device): -, , 2 31610.282012/IEC 60079-28:2006 / , , , - ( 731-06-44) - - .3.8 (inherently safe optical radiation): , - , . , - .3.9 (irradiance): , , ( 731-01-25)3.10 ( ) (light or visible radiation): , - ( 731- 01-04) 1 380 800 . 2 , ,
