GOST IEC 61262-6-2011 Medical electrical equipment Characteristics of electro-optical X-ray image intensifiers Part 6 Determination of the contrast ratio and veiling glare index《医用.pdf

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1、 - 6 (IEC 61262-6:1994, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)IEC 61262-62011, 1.092 . 1.22009 . , - . , , -, 1 - ()2 (-)3 , ( 29 2011 . 40) : ( 3166) 00497 ( 3166) 00497 BYKZKGRUTJUZ 4 13 2011 . 1294- IEC 61262-62011 1 2013 .5 IEC 61262-6:1994 Medical elec

2、tricalequipment Characteristics of electro-optical X-ray image intensifiers Part 6: Determination of the contrastratio and veiling glare index ( . - . 6. ). - . (IDT). 61262.6996 -, - . () . , - - C, 2014 -, II IEC 61262-620111 .12 13 .13.1 13.2 24 .24.1 24.2 34.3 .34.4 -34.5 35 45.1 45.2 45.3 .45.4

3、 .46 .47 .5() 6B() 7() .7III IEC 61262-62011 - 6 Medical electrical equipment. Characteristics of electro-optical X-ray image intensifiers.Part 6. Determination of the contrast ratio and veiling glare index1 - , - . . () () - .2 :IEC 60788:1984 Medical radiology Terminology ( . )3 3.1 *:3.1.1 : - ;3

4、1.2 : , - , ;3.1.3 : , - ;3.1.4 : , (.3.1.5).-* IEC 60788 (. ). -, , 3.1.13.1.12, IEC 60788, - .1 IEC 61262-62011 20130101,;3.1.5 (): ;3.1.6 : , ;3.1.7 : , ;3.1.8 : , , ;3.1.9 : ,- , ;3.1.10 : -,-;3.1.11 (): ( ) ,;3.1.12 (): ,.3.2 :-: ;- : , -;-: ;- : , , , , (. IEC 60788, -74-01);- : , () , , , ,

5、 (.IEC60788,-74-02);- : ,-:.4 ,-.4.1 ) -(100 c177 1).b) .c) 30.d) ,10%. , . , . 100.2 IEC 61262-620114.2 ) , .b) .c) . .4.3 ) (50 c177 2) (2,0 c177 0,2) ( 99,9 %); , 3 .b) , (7,0 c177 0,2) , (22,5 c177 0,5) , , ,20 ( 99,9 %). , 75 :1) , , (. 4.1, c);2) ;c) 2 %. , - .4.4 -) - 3 .b) (10 c177 0,5) .c)

6、 , (10 c177 0,5) % , , . - - 10 %- .d) - .4.5 4.5.1 ) . - , , -.b) , , c1771%.c) , , c1771 % .4.5.2 ) , -, .b) , c1773%.c) :1) 50 ;2) ;3) ;3 IEC 61262-62011d) - , .5 5.1 ) - , , , 10 .b) - :1) 10- - - 5 ;2) - 10 %- - 5 .c) -,.- 1 .d) :1) 10- - - 0,1 ;2) - 10 %- - 1,0 .5.2 ) L1 .b) -.c) , b), - c1773%.d) ( ) L2.e) - 10 -10 %- .5.3 , , - - . 3 % , .-

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