KS C 1505-2001 Integrating-averaging sound level meters《精密噪音表》.pdf

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1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2001 12 13 http:/www.kats.go.kr KS C 1505 KS C 1505: 2001 (IDT IEC 60804: 2000) (2012 ) C 1505: 2001 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 1979 11 30 : 2001 12 13 : 2012 12 29 : 2012-0837 : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . ICS 17.140

2、.50 KS C 1505: 2001(IDT IEC 60804: 2000) (2012 ) Integrating-averaging sound level meters 2000 2 IEC 60804, Integrating-averaging sound level meters . “ ” . 1. 1.1 . . KS C 1502 , Leq, . . , KS C 1502 “ ” . “ ” “ ” “ ” . “ ” . . A . 1.2 0, 1, 2, 3 4 . , KS C 1502 . KS C 1502 , 2 3 . “R” (2.3.3 9.1 )

3、 . 1.3 1.3.1 . a) , b) c) 1.3.2 KS C 1502 . a) (5.) b) (6.1 6.2) c) (8.) 1.4 0, 1, 2, 3 , . “ ” . 1.5 (1.3 ) , C 1505: 2001 2 . 1.6 . , . . KS A 3006: 2001, KS C 1502: 2001, IEC 60942: 1997, IEC 61000 4 2: 1995, (EMC) 4: 2: . EMC IEC 61000 4 3: 1995, (EMC) 4: 3: , , IEC 61000 6 1: 1997, (EMC) 6: 1:

4、, IEC 61000 6 2: 1999, (EMC) 6: 2: CISPR 22: 1997, CISPR 61000 6 3: 1996, (EMC) 6: 3: , 2. 2.1 . 2.2 0 . 1 . 2 . 3 . . a) b) ( , , , ) c) , . . 1 ms . 1 ms , 1 ms . . . . 2.3 2.3.1 KS C 1502 A . KS C 1502 C Lin( ) . C 1505: 2001 3 2.3.2 A (3.3 ) . . 2.3.3 (3.13 ) (3.14 ) . “R” (11.1 ). 2.4 . . . ( )

5、 . 3. 3.1 IEC 60050(801), KS C 1502, IEC 61000 4 2, IEC 61000 4 3, IEC 61000 6 2, IEC 61000 6 2, CISPR 61000 6 3 . 3.2 20 . dB . 20 Pa . . 3.3 A ( A ) LAeq, T= 10 log dBpdttpTttA)(120212 LAeq, T: T = t2 t1 , 20 Pa A . pA(t): A . p0: 20 Pa . 1. A . , C . LCeq, T= 10 log ( ) dBTpdttpttA)( )( 020212 .

6、2. B . 3.4 A LAE=10 log ( ) dBTpdttpttA)( )( 020212 LAE: T = t2 t1 410 10 Pa2 s A . p0: 20 Pa . T0: 1 . dttpttA)(212 A EA . 020Tp 410 10 Pa2 s . A A . /C 1505: 2001 4 LEA, T= LAeq, T 10 log ( T/T0) dB 3.5 6.2 . dB 3.6 6.2 . dB 3.7 ( ) . (3.15 ) . 3.8 . dB. KS C 1502 . 3 2 . 3.9 . 0 . 3.10 (9.3.2 ) (

7、burst duty factor) 3.11 . , (3.13 ). (3.14 ) , . . . 1. . 2. . 3.12 (KS C 1502 3.7 ) 3.13 (9.1 C ) 3.14 (9.1 C ) “ ” . 3.15 94 dB 84 dB 74 dB (KS C 1502 3.8 ). 3.16 3.17 ( ) . . . 3.18 X(群) . . 3.19 Y(群) . C 1505: 2001 5 . 3.20 Z(群) . . 4. 4.1 . , , . . , , . 4, 5, 6, 7 4 . 8. . ( ) . , KS C 1502 .

8、AI , B . 4.2 9.1 / 0, 1, 2, 3 0.4 dB, 0.7 dB, 1.0 dB, 1.5 dB . ( IEC 60942 ) . 4.3 KS C 1502 5. . 4.4 A . . KS C 1502 6.1 6.2 . 4.5 6. . 4.6 7. . 4.7 9. . 4.8 . 4.9 , . 1 , . 4.10 (10 ) , 1 1 . C 1505: 2001 6 1 1 dB 0 1 2 3 0.2 0.3 0.5 0.5 4.11 . , 1 % . , 10 , 1 , 5 , 10 , 15 , 1 , 8 24 . 5. 5.1 ,

9、, , 6.1, 6.2 KS C 1502 4 5 A . , IEC 60537 60651 . 5.2 6.3 KS C 1502 6 . 6. 6.1 A , 9.3.2 3 . A / AI ( B ) . 6.2 ( A A ) , 9.3.3 4 kHz 2 . , 9.3.4 2 . 3 dB . 2 . 2 ( 9.3.3, 9.3.4 ) dB 0 1 2, 3 70 60 50 ( 9.3.3) 0.4 0.7 1.0 73 63 53 , , 1 ms 10 ms ( 9.3.4) 1.9 2.2 2.5 , , 10 ms ( 9.3.4) 1.4 1.7 2.0 .

10、 C 1505: 2001 7 , . , 10 dB . . 6.3 ( , ) 30 dB . , . 6.4 , . 0 1 20 dB, 2 3 10 dB . 6.5 . 0.5 dB 0.1 dB . . 30 dB 0.5 dB 10 . 1 . (4.11 ) , 0.1 dB . , . 6.6 ( ) , 1 dB . 1 mm . 0.1 dB . , . 0 1 0.2 dB , 2 3 1 dB 3 dB . . 6.7 A A . . 6.8 “ ” / “ ” / . . “ ” 10 . 7. 7.1 . . A A . 7.2 . 7.3 9.3.5 . KS

11、 C 1502 9.3.1 . C 1505: 2001 8 8. KS C 1502 8.1 8.6 . “ l ” (11.1 ). 9. 9.1 . 20 , (65 %), 1 013105 Pa(1 013 mbar) . . 1. . 2. . , . . KS C 1502 B . . S1 S2 . S = 21SS . , . 9.2 9.2.1, 9.2.2 9.2.3 . , . 9.2.1 KS C 1502 9.2.1 . 9.1 4.2 . “R” . 9.2.2 (R) . . 20 dB . . a) b) KS C 1502 6.1 . . 9.2.3 KS C 1502 5. . C 1505: 2001 9 (R) . . 9.3 . 9.3.1 KS C 1502 6.3 6 . 9.3.2 (tone burst sequence) . 4 kHz 20 dB . 4 kHz . 3 . 3 dB . 10 s . (duty factor) 1 . 1 ms . 1 ms . A A

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