1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 60739 KS C IEC 60739:2009 2009 12 30 http:/www.kats.go.krKS C IEC 60739:2009 : ( ) ( ) () KEPIC ( ) ：(IEC/TC45/SC45B ISO/TC85/SC2) () ( ) () ( ) () () : (http:/www.standard.go.kr) ： ：2009 12 30 2009-0963 ： ：(IEC/TC45/SC45B ISO/TC85/SC2) ( 02-509-727
2、0) (http:/www.kats.go.kr). 10 5 , . KS C IEC 60739:2009 i 1983 1 IEC 60739, Digital counting ratemeters Characteristics and test methods , . . , , . , , . KS C IEC 60739:2009 Digital counting ratemeters Characteristics and test methods 1 1 (fission ionization chamber) , . . . . - . . , ( , , , ). ,
3、, . , ( , , , , )(3.1 ). 2 . . . , . , IEC Publication 51： Recommendations for Direct Acting Indicating Electrical Measuring Instruments and their Accessories IEC . KS C IEC 60739:2009 2 2 IEC Publication 50 ： International Electrotechnical Vocabulary(I.E.V) . IEC Publication 359： Expression of the
4、Functional Performance of Electronic Measuring Equipment , IEC Publication 50(391)： Interntational Electrotechnical Vocabulary, Chapter 391： Detection and Measurement of Ionizing Radiation by Electric Means . . . 3 3.1 (I.E.V. 391-11-44) “ ” ( 1 ). (processor) (biased trip) ( ) 2 HT LT (IEC Publicat
5、ion 443： Stabilized Supply Apparatus for Measurement ) (indicator)(IEC Publication 51 ) “ ” ( ) . 3.2 , ( ). (IEC Publication 340: Test Procedures for Amplifiers and Preamplifiers for Semiconductor Detectors for Ionizing Radiation ) KS C IEC 60739:2009 3 1 3.3 ( ). 3.4 (I.E.V. 391-11-45) 3.5 (I.E.V.
6、 391-11-46) . N 10P N ： 2, 3, 4 10 p ： (scale factor) (Timer) 2 Nr NrUr, ITUKS C IEC 60739:2009 4 , 3 10 , N p 999 999 0 99 918 (99 900) 999 2 (999100) 10 . 4 4.1 1) , , (IEC Publication 359 ). 4.2 1) (IEC Publication 359 ) 4.3 ( ) ( ). . (IEC Publication 359 ). 4.4 , , , ( ) (IEC Publication 359 ).
7、 4.5 , , (IEC Publication 359 ) 4.6 , (IEC Publication 359 ). 4.7 (step signal) , 4.8 , 1) , “ ” “ ” . KS C IEC 60739:2009 5 4.9 (I.E.V. 391-15-10) , 4.10 ( ) (I.E.V. 391-15-12) 4.11 ( ) ( ) 4.12 ( ) (I.E.V. 391-15-04) 4.13 e11 63.2 % (IEC Publication 577： Ionizing Radiation Thickness Meters for Mat
8、erials in the Form of Sheets, Coatings or Laminates) 4.14 (settling time) (I.E.V. 391-15-05) 4.15 4.16 (I.E.V. 391-15-17) 4.17 d.c. NNRSRa1r= (4.27 ) 4.18 (I.E.V. 391-15-18) KS C IEC 60739:2009 6 4.19 (paralysis time)(I.E.V. 391-15-19) , 4.20 (I.E.V. 391-15-20) 4.21 ( ) (I.E.V. 391-15-06) 10 % 90 %
9、4.22 (I.E.V. 391-15-13) (pile-up) 4.23 (I.E.V. 391-15-14) 4.24 , ( , ) . 4.25 ( ) X Y / 4.26 ( ) (I.E.V. 391-15-01) , 4.27 . raNNS= N ： Nr： . 4.28 ( ) (I.E.V. 391-15-02) , KS C IEC 60739:2009 7 4.29 ( ) (Pile-up)(I.E.V. 391-15-15) . . 4.30 (I.E.V. 391-15-11) (21. ) 4.31 ( ) , MTBF( ) , (IEC Publicat
10、ion 271： List of Basic Terms, Definistions and Related Mathematics for Reliability) 4.32 ( ) MTBF . (IEC Publication 271). 4.33 (391-03-09 Exposure : ICRU 33 ) X dQ dm . dQ dm . mdQdX = : C kg-1 , (R) . 1 R 2.5810 4C kg 1( ) 5 5.1 , , (IEC Publication 359 ) 5.2 (IEC Publication 359 ) 5.3 (IEC Public
11、ation 359 ) 5.4 KS C IEC 60739:2009 8 ( ) (IEC Publication 359 ) . 5.5 (warm-up time) 6 6.1 : a) , . b) , , (IEC Publication 359 ). (quantity) . , , (4.3 ) . 6.2 (IEC Publication 359 ) 6.3 (IEC Publication 359 ) 6.4 (IEC Publication 359 ) 6.5 6.6 6.7 , (IEC Publication 359 ). 6.8 KS C IEC 60739:2009
12、 9 , (OIML)2)6.9 (6.8 ) ( ) , ( ) vi v vc . ej v vc(OIML)* 6.10 , , , , 6.11 . (set) e t s . s t e P (OIML). 1 , 3 s P 99.73 % , ( ) , t 3 (6.8 ). 2 : P = f(t)( ) P % : 99.96 99.73 99.02 95.44 95.00 90.10 76.20 68.26 49.72 10.34 4.78t : 3.49 3.00 2.58 2.00 1.96 1.65 1.18 1.00 0.67 0.13 0.06 3 , P f
13、(t, n) ( n ). P f(t, n) t n 5 10 20 1 0.626 0.657 0.670 0.683 2 0.884 0.923 0.940 0.955 3 0.960 0.985 0.993 0.997 4 n s( ) 1)(12 =nxxsniii( 2 ) xi i x n . . 2) International Organization of Legal Metrology( , OIML)： Legal Metrology Vocabulary Fundamental terms(1969 3 ). KS C IEC 60739:2009 10 nxxin2
14、2)(lim = 6.12 (Ea) a) ( ) t( ) (18. ). b) , , d.c. (drift) (18. ). 3 7 1 , . . “ ” , (6.3 ) . “ ” (6.4 ) . . 1 20 2 5 40b d45 % 95 % 20 % 100 % 101.3 kPa b86.0 kPa 106.0 kPab 1b 30 : A.C. D.C. d.c. UN1 % bUN1 % bUN0.3 % cUN10 % a,b UN10 % b UN1 % fN1 % bfN5 % b (fN ) 1 h 45 min15 min ( , ), .a (dist
15、ortion): 0.05 bIEC Publication 359: Expression of the Functional Performance of Electronic Measuring Equipment cIEC Publication 293: Supply Voltages for Transistorized Nuclear Instruments d KS C IEC 60739:2009 11 (IEC Publication 359 ) : 20 , 23 , 25 27 : 50 W . 1 50 W . 2 I : 5 45 II : 10 55 III :
16、25 70 : : 40 70 8 (arbitration measurement) (IEC Publication 160 : Standard Atmospheric Conditions for Test Purposes). . . 2 a) 20 2 1 60 % 70 % 63 % 67 %860 kPa 1 060 kPa (650 mm Hg 800 mm Hg) b) 23 2 1 45 % 55 % 48 % 52 %860 kPa 1 060 kPa (650 mm Hg 800 mm Hg) c) 27 2 1 60 % 70 % 63 % 67 %860 kPa
17、1 060 kPa (650 mm Hg 800 mm Hg) (IEC Publication 160 6.) 9 . , 45 15 . (5.5) 5 40 . 10 10.1 . , KS C IEC 60739:2009 12 . 10.2 . 10.3 . 10.4 . 0.25 Gy h 1( 25 rad h 1). 10.5 (5.4 ) . , ( 1 ) , , ( , 0 55 ). 10.6 (IEC Publication 359 ) 10.7 10.8 . 10.9 11 ( ). . . “0” . (check circuit) . , , . . 12 KS C IEC 60739:2009 13 2 . - (short connection) . , Nc . , ( ) ( ) . Nc . . . Nc . Nc . Nr / . . , . 2 4 . (IEC Publication 650： Analogue Counting Ratemeters, Characteristics and Test Methods ). / G NrNrNcUN KS C IEC 60739:2009
