KS A 4610-2006 Portable photon ambient dose equivalent ratemeters for radiation protection《X线及γ线用辐射剂量当量测量仪》.pdf

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1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 12 8 http:/www.kats.go.krKS A 4610X KS A 4610: 2006 (2011 ) A 4610: 2006 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2001 8 11 : 2006 12 8 : 2011 12 28 2011-0637 : : ( 02-509-72703) (http:/www.kats.go.kr). 10 5 , . ICS 17.240 KS X A 4610: 2006(2011

2、) Portable photon ambient dose equivalent ratemeters for radiation protection 1. X 1 cm ( , .) . , . 2. . . KS A 3009 KS A 4019 KS A 4051 3. KS A 3009, KS A 4019 KS A 4051 . a) 1 cm ICRU X , 1 cm b) ICRU (ICRU) 39 ( 76.2 %, 11.1 %, 10.1 % 2.6 %) 1 g/cm3 30 cm c) 1 cm d) ( , .) . A 2 A . e) 1 cm ( ,

3、) . . f) ( C ) n (xi) (S) ( x ) . CxSx1=niixxn12)(11g) X . (narrow) . 4. , GM , . A 4610: 2006 2 5. 5.1 7.2.2 , . a) 1 . 1 : % 10 5 GM 20 6 b) 2 . 2 0.04N GM 0.06N N . c) 3 . 3 % 10 GM 20 5.2 7.2.3 137Cs 4 . 4 30 keV 1.5 MeV (30 keV 6.5 MeV)*0.8 1.2 (0.7 1.2)*GM 60 keV 1.5 MeV 0.5 2.5 keV 1.5 MeV 0

4、2 5.0 80 keV 1.5 MeV (80 keV 6.5 MeV)*0.7 1.3 (0.5 1.3)* 16N 6.5 MeV , . A 4610: 2006 3 5.3 7.2.4 , 20 % . , 80 keV X 241Am . 5.4 7.2.5 5 . 5 GM 0.10 0.15 0.10 0.15 5.5 7.2.6 30 . 5.6 7.2.7 , 2 %, 3 . 5.7 7.2.8 . . 5.8 7.2.9 6 . 6 % 5 35 10 5 45 20 5.9 7.2.10 10 % . 5.10 7.2.11 5 % . 5.11 7.2.12 5.

5、1 . 6. 6.1 . a) , . b) 1 cm (: mSv/h ) . c) , , . d) , . e) . f) 1 cm . g) . ( , .) . a) 137Cs 226Ra , “ (2001 1 31 2001 3 )” 3 . A 4610: 2006 4 b) , 1 cm . 6.2 . 6.3 . a) ( : 220 V, : 60 Hz) . b) . c) 5.1 100 . , 10 . 7. 7.1 7.1.1 7.2 7 . 7 205 %6520 kPa 101.35.0 V 5 % Sv/h 0.25 5 7.1.2 KS A 4051 .

6、 a) X ( ) ( ) X . ( ) 0.6 . b) ( ) ( ) . 7.2 7.2.1 . a) 5 . b) 7 . c) 1 cm 1 . d) . e) . f) , 137Cs . A 4610: 2006 5 7.2.2 . a) 1 20 %, 50 % 80 % , 80 % . b) 0.5 1.0 . c) 50 % 100 % . 7.2.3 137Cs 60Co X . 137Cs 1 . 241Am, 57Co 133Ba X . 7.2.4 0 , 2 30, 60 90 . , 1 . 90 . 90 75 . 0 , . 80 keV X 241Am

7、 . 7.2.5 1 cm ( 1.5 ) 20 3. f) . a) 30 50 % . b) 0.3 0.5 . c) 30 50 . 7.2.6 1 cm N N N . N 0.9(N N) , 10 1 cm . 7.2.7 50 mm . . . 10 % 10 % 4 . NNNNA 4610: 2006 6 ( ) . 1 4 . 20 (1 ) ( ) . 7.2.8 10 1 cm 1 . 10 1 cm 1 . 7.2.9 (1) 5 , 5 , 20 , 35 45 1 , 1 cm . 20 . . (1) 2 . 7.2.10 (2) 35 (3) 65 % 90

8、 1 , 1 cm . 65 % 90 % . (2) 2 . (3) 5 % . 7.2.11 1 cm , 90 % 110 % . . 7.2.12 20 mm 50 mm . , 5 20 7.2.2 . 8. 8.1 7. 5. . a) b) c) d) e) f) g) h) i) A 4610: 2006 7 j) k) 8.2 7. 5.1 . 9. . a) b) ( .) c) d) e) f) g) h) 10. . a) b) c) d) ( 80 keV X 241Am .) e) f) g) ( .) h) i) j) _ KS A 4919 X A 4610:

9、 2006 8 1 (4)1 cm 1 cm MeV Sv/(C kg 1) (5) ( ) Sv/Gy 0.010 0.015 0.020 0.030 0.040 0.050 0.057(6) 0.060 0.080 0.10 0.124(8) 0.15 0.20 0.30 0.34(9) 0.40 0.50 0.60 0.66(10) 0.78(11) 0.80 1.0 1.25(12) 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10 0.350 9.17 20.3 36.8 48.5 55.1 58.1(7) 59.1 58.7 55.7 52.6(7) 50.3 46.7

10、 44.4 43.4(7) 42.6 41.1 40.3 40.0 39.4(7) 39.3 38.7 38.4(7) 38.3 38.3 38.1 37.7 37.5 37.3 36.8 36.8 0.010 0.271 0.601 1.09 1.43 1.63 1.74 1.73 1.65 1.49 1.38 1.31 1.26 1.21 1.19 1.16 1.14 1.13 1.13 1.12 1.11 1.11 1.10 1.09 1.09 (4) . (5) , 4 . (6) 0.2 mm Cu 241Am ( , .) . A 4610: 2006 9 (7) . (8) 57

11、Co . (9) 0.2 mm Pt 133Ba . (10) 137Cs . (11) 0.5 mm Pt 226Ra . (12) 60Co . . 10 KS A 4610: 2006X . X , X , . 1. . 2006 2006 5 , SI . I. 1. ICRU( ) ( ICRU ) 10 mm, 1 cm . . . 5. 5.2 a) . , ( ) . 0 . 1 . A 4610: 2006 11 1 b) 16N 1.5 MeV (X) , . , 16N (10.44 MeV) 2 16N 2 cm(2.36 g/cm2) X, (keV) (137Cs

12、1 ) GM (1 mm ) NaI(Tl) (137Cs 1 )X, (keV) A 4610: 2006 12 1 . 16N (3g/cm2) , 1 cm . . 16N 6.13 MeV . 4 16N . 16N (2 cm ) 16N 2 1 m 30 40 % 5 20 % . (X) ( , 2 ) . 7. 7.2 7.2.1 ( ) , 226Ra, 60Co 137Cs . 3 . 226Ra . , . 60Co , 5.26 , . 137Cs 60Co . . 137Cs . 137Cs 60Co . 7.2.4 . 2 . A 4610: 2006 13 a) b) c) 2 ( ) ( ) ( ) A 4610: 2006 14 7.2.5 1.5 . IEC 90 % , KS 2 . 3 . c) , , , / . . 7.2.7

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