1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2001 12 13 http:/www.kats.go.kKS C 1502 KS C 1502: 2001 (IDT IEC 60651: 1979) (2012 ) C 1502: 2001 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 1971 6 30 : 2001 12 13 : 2012 12 29 : 2012-0837 : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . ICS 17.140.50
2、 KS C 1502: 2001(IDT IEC 60651: 1979)(2012 ) Sound level meters 1979 1 IEC 60651, Electroacoustics Sound level meters . “ ” . 1. 1.1 . 1.2 4 (0, 1, 2, 3 ) . 1.3 0, 1, 2, 3 . , . 1.4 . a) b) c) , d) 1.5 (1.4 ) . 2. 2.1 . , ( ) . , ( ) . 2.2 0 . 1 , / . . 2 . 3 . . C 1502: 2001 2 . . 8.5 8.6 . 2.3 A,
3、B, C . . a) Lin . b) D IEC Publication 537, Frequency Weighting for the Measurement of Aircraft Noise (D eighting) . 2.3.2 F, S, I . Peak . 2.3.2 () S, F, I ( ) . . 2.3.3 () ( ) ( ) ( ) . A ( ) , . , I ( ) (loudness) . (wide dynamic range), (crest factor) , I ( ) . 2.4 (optional features) , , (recor
4、ding display) . 2.5 . , ( ) . . . 3. 3.1 , KS A 3006( ) . . 3.2 (dB) 10 20 . , A B C , S, F, I . 20 Pa(20 N/ m2) . , . “ ” “ (weighted sound level)” “ (sound level)” . 3.3 crest factor ( ) (r.m.s.) ( ) . crest factor pulse duty factor A . 3.4 1 ( , primary) 7.9 7.10 C 1502: 2001 3 . 3.5 . 3.6 ( ) .
5、3.7 200 Hz 1 000 Hz . 1 000 Hz . 3.8 . 94 dB , , 84 dB 74 dB 3.9 . . 4. 4.1 . 5. 6. 7. , , 4 . ( ) . 4.2 9.1 9.2.1 0, 1, 2, 3 , (worm-up) 0.4 dB, 0.7 dB, 1.0 dB, 1.5 dB . . 4.3 , . 5. . 4.4 A, B C 3 . 6. . Lin , Lin ( ) . Lin . ( 5 ). 4.5 7. 9.4.3 9.4.4 S, F, I . ( ) I F S . . 4.6 , 9. . , . 4.7 . 4
6、.8 , . C 1502: 2001 4 4.9 ( 10 .) , 1 1 . 1 1 ( ) 0 1 2 3 0.2 0.3 0.5 0.5 5. 5.1 6. . 30 ( total spread: , ) 2 . 90 3 . . 2 30 ( ) (Hz) 0 1 2 3 031.5 1 000 1 000 2 000 2 000 4 000 4 000 8 000 8 000 12 000 0.5 0.5 1 2 2.5 1 1 1.5 2.5 4 2 2 4 9 4 4 8 12 3 90 ( ) (Hz) 0 1 2 3 031.5 1 000 1 000 2 000 2
7、000 4 000 4 000 8 000 8 000 12 500 1 1.5 2 5 7 1.5 2 4 8 16 3 5 8 14 8 10 16 30 6. 6.1 , , 4 5 IEC 537 . , D D ( ) . C 1502: 2001 5 4 ( ) 6.2 4. pole( ) zero( ) . C 20.6 Hz(101.31 Hz) , 12 220 Hz(104.09Hz) . 1 kHz 3 dB (電力半値周波數 ) 31.62 Hz(101.50 Hz) , 7 943 Hz(103.90Hz) . 12 dB/octave . B C 158.5 Hz
8、(102.20Hz) . A C 107.7 Hz(102.03Hz) 737.9Hz(102.87Hz) . A, B, C . 6.3 , 4 . 3.8 (1) ISP 266 . 1000.10n/10 . , n . (1) (Hz) (1) (Hz) A ( ) B ( ) C ( ) C 1502: 2001 6 , . 5 4 () ( ) (2) ( ) . ( 3.7 ) 6 ( ) (Hz) 0 1 2 3 31.5 8 000 2012 500 0.3 0.5 0.5 1.0 0.7 1.0 6.4 , 10 dB 5 dB , 10 dB . 6.5 7.2 cres
9、t factor . 0 , (chain) . (2) (Hz) 0 1 2 3 C 1502: 2001 7 1 2 . I , . 6.6 , 5 dB . 6.7 , 10 dB , 32.5 Hz 8 000 Hz 1 % . , 200 Hz 1 000 Hz 10 % . 6.8 , . , . , (setting time) . 6.9 , , 1 dB . 31.5 Hz 1 . 7. 7.1 F S (indication) F S (r.m.s.) . I , . . 7.2 , F S . 1 9.4 . crest factor 7 . F: 1 125 ms S:
10、 1 000 ms C 1502: 2001 8 7 ( ) 3 5 10 0 I 0 0.5 0.5 1 1 1.5 1 I 1 0.5 1 2 I 2 1 3 1.5 1. , “ 0 I” I 0 . 2. 3 I , 7.3 9.4.3 . 7 (tone burst) 9 . , F 0.5 , S 3.0 10 dB . , 8 , 8 (dB) (ms) ( A ) (dB)0 1 2 3 0 200 1.0 0.5 1 1 2 1 3 50 4.8 2 20 8.3 2 F 5 14.1 2 2000 0.6 0.5 500 4.1 0.5 1 2 2 200 7.4 2 S
11、50 13.1 2 C 1502: 2001 9 9 ( ) 0 1 2 3 F 0.5 1.1 1.1 1.1 S 1.0 1.6 1.6 1.6 7.3 , I . 2 I F S . . . 35 ms , 0 1 0.5 dB/s , 2 3 1.0 dB/s 2.9 dB/s . 0 1 (1 500250) ms , 3 4 (1 500500) ms . I 9.1 . 10 11 . 3 I , 2 . 10 T (ms) ( C ) (dB) 0 1 2 20 5 2 0 3.6 8.8 12.6 1.5 2 2 2 3 1 : 35 ms ; 1 500 ms C 1502
12、: 2001 10 11 fP(Hz) 0 1 2 100 20 2 0 2.7 7.6 8.8 1 2 2 1 2 3 7.4 S F I 315 Hz 8 000 Hz 0, 1, 2 0.1 dB , 3 0.2 dB . , I F S . 7.5 , . , . 0 50 s 10 ms 2 dB . . , 100 s 10 ms 2 dB . 7.6 15 dB . 10 dB . 7.7 , 15 dB 1 dB . 1 mm . 7.8 ( , ) , . . (r.m.s) . , (once/sec) . , . 0.1 dB . , . 0 1 0.2 dB , 2 1
13、 dB , 3 3 dB . . 7.9 (range control) 12 . . , C 1502: 2001 11 . , . 12 31.5 Hz 8 000 Hz( 0 , 20 Hz 12 500 Hz) ( ) 0 1 2 3 1 0.4 0.7 1.0 1.5 1 0.6 1.0 1.5 2.0 7.10 7.9 (differential level linearity) . 10 dB . 1 dB 10 dB 1 12 . 12 I31.5 Hz 8000 Hz( 0 , 20 Hz 12500 Hz) ( ) 0 1 2 3 1 , 1 dB 0.2 0.2 0.3 0.3 1 , 1 dB 10 dB 0.4 0.4 0.6 1.0 1 , 1 dB 0.3 0.3 0.4 0.4 1 , 1 dB 10 dB 0.6 1.0 1.5 2.0 8. 8.5 8.6 8.1 8.6 .