GOST 12 4 254-2013 Occupational safety standards system Personal eye and face protection equipment during welding and related processes General specifications《职业安全标准体系焊接及相关工艺过程中的个.pdf

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GOST 12 4 254-2013 Occupational safety standards system Personal eye and face protection equipment during welding and related processes General specifications《职业安全标准体系焊接及相关工艺过程中的个.pdf

1、 , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC)12.4.254null2013 12.4.2542013II, - 1.092 . 1.22009 . -, . , -, , 1 - ( )2 ()3 , (- 14 2013 . 44) : ( 3166) 00497 ( 3166) 00497 KZKGRUUZ 4 30 2013 . 2425- 12.4.2542013 1 2014 .5 ( ) - : N 175:1997 Personal protection Equipm

2、ent for eye and face protection during welding and allied processes ( . ); N 379:2003 Personal eye protection Automatic welding filters ( . ). . ( MOD). 12.4.23820076 - , . () - . , - - , 2014 -, 12.4.2542013III1 12 13 .24 45 .45.1 45.2 45.3 45.4 .55.5 , 55.6 55.7 55.8 .55.9 .65.10 65.11 .65.12 65.1

3、3 65.14 65.15 .65.16 65.17 .66 66.1 66.2 76.3 76.4 .76.5 .76.6 .87 87.1 88 , 89 , 8 () .9 () . 10 () 18 () 89/686/ ( II), N 175 N 379 20 () .21 251 201406011 -, ( ) , , . . - , , - , .2 : 8.33278 . . - 12.4.00180 . . 12.4.02384 . . 772189 . . . - , 1 , - . (), (-) . , , , , . 12.4.2542013 Occupation

4、al safety standards system. Personal eye and face protection equipment during welding and allied processes. General specifications 12.4.254201323 12.4.001, - :3.1 (automatic welding filter): , ( ) (- ).3.2 (automatic welding filter with manual scale number setting): , - ( ) ( ) .3.3 (automatic weldi

5、ng filter with automatic scale number setting): - , , .3.4 (switching time): ts :tstt t dt,23101()= = (1) t = 0 ;(t) t ;1 ;2 ;t , 32. - . - - . .3.5 (light state scale number): , 1(. 1).1 ; d ; 2 1 3.6 () - (darkest state scale number): , - 2, (. 1).3.7 (dark state scale number): , d, (. 1).3.8 (wel

6、ders goggle): , - , - ( ). 12.4.254201333.9 (reference head form human): , () . 1, 2.3.10 (harness): () , - .3.11 (headband): , - .3.12 (obturator): , , , - .3.13 (welders spectacles): , , - . , , .3.14 (housing): -, .3.15 (optical radiation): 100 10000 . - (), () .3.16 (back in ocular): , - .3.17 (

7、welding protectors): , - . , - .3.18 v(luminous transmittance): v, - DDvvv6565780380780380()()()()(), =(2) D65() - D65;v() - .1 - D65 3.2 v() 380 780 , - 1 8.332.3.19 (safety helmet mounted welders face shield): , , - .3.20 (welders hang shield): , , - . 12.4.254201344 4.1 - :- ;- ;- .4.2 :- ;- ;- .5 5.1 5.1.1

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GOST 12 4 254-2013 Occupational safety standards system Personal eye and face protection equipment during welding and related processes General specifications《职业安全标准体系 焊接及相关工艺过程中的个.pdf

GOST 12 4 254-2013 Occupational safety standards system Personal eye and face protection equipment during welding and related processes General specifications《职业安全标准体系 焊接及相关工艺过程中的个.pdf

GOST 12 4 254-2013 Occupational safety standards system Personal eye and face protection equipment during welding and related processes General specifications《职业安全标准体系焊接及相关工艺过程中的个.pdf

GOST 12 4 254-2013 Occupational safety standards system Personal eye and face protection equipment during welding and related processes General specifications《职业安全标准体系焊接及相关工艺过程中的个.pdf