SoundAdvisor Model 831C
A-12
A.3 Base Software
A.3.1 Standards Met
Sound Level Standards
:
•
IEC 61672-1:2013 Class 1, Group X
•
IEC 60651 Ed 1.2 (2001) plus Amendment 1 (1993-02) and Amendment 2
(2000-10) Type 1, Group X
•
IEC 60804 (2000-10) Type 1, Group X
•
ANSI S1.4-2014 Class 1
•
ANSI S1.4-1983 (R2006) plus Amendment ANSI S1.4A-1985 (R2006) Type 1
•
ANSI S1.43-1997 (R2007) Type 1
•
DIN 45657 Sound level meters - Additional requirements for special
measuring tasks
A.3.2 Correction Filters
•
Frequency response correction filters are available for sound field/
microphone type and for environmental protection accessories.
•
Note: “RI” indicates “Random Incidence” and “FF” indicates “Free-Field”
•
For microphone 377B20: RI to FF
•
For microphone 377B02: FF to RI
•
For microphone 377B02 with EPS2106/8: FF to RI, FF to FF, FF:90°
•
For microphone 377B02 with EPS2116: FF to RI, FF to FF, FF:90°
Table A.10 Correction Filters for SLM with PRM831 and 377B02 Microphone
Frequency
0° Free Field
Corrections
2
0° Free Field
Corrections
with WS
1,2
0° Free Field
Corrections
1,3
0° Free Field
Corrections
with WS
1,3
Expanded
uncertainty of
Corrections
1,4
Hz
dB re 1 kHz
dB re 1 kHz
dB re 1 kHz
dB re 1 kHz
dB
31.5
0.23
0.12
0.21
0.10
0.25
63
0.18
0.07
0.15
0.04
0.25
125
0.09
-0.02
0.10
-0.01
0.25
250
0.10
-0.01
0.07
-0.03
0.25
500
0.25
0.17
0.26
0.18
0.25
1000
0.00
0.00
0.00
0.00
0.25
2000
0.43
0.69
0.42
0.69
0.25
4000
0.97
0.94
0.97
0.95
0.25
8000
2.60
2.25
3.02
2.67
0.35
12500
5.65
5.33
6.51
6.19
0.50
16000
7.69
6.92
8.46
7.68
0.50
Содержание 831C-FFT
Страница 1: ...Larson Davis SoundAdvisor Model 831C Sound Level Meter Reference Manual...
Страница 206: ...SoundAdvisor Model 831C A 42 FIGURE A 31 Model 831C with 377C20 Microphone FIGURE A 32 Model 831C with 377C20 Microphone...
Страница 207: ...SoundAdvisor Model 831C A 43 FIGURE A 33 Model 831C with 377C20 Microphone FIGURE A 34 Model 831C with 377C20 Microphone...
Страница 208: ...SoundAdvisor Model 831C A 44 FIGURE A 35 Model 831C with 377C20 Microphone FIGURE A 36 Model 831C with 377C20 Microphone...
Страница 214: ...SoundAdvisor Model 831C A 50 FIGURE A 47 Model 831C with 377C20 Microphone...
Страница 215: ...SoundAdvisor Model 831C A 51 FIGURE A 48 Model 831C with 377C20 Microphone...
Страница 216: ...SoundAdvisor Model 831C A 52 FIGURE A 49 Model 831C with 377C20 Microphone...
Страница 217: ...SoundAdvisor Model 831C A 53 FIGURE A 50 Model 831C with 377C20 Microphone FIGURE A 51 Model 831C with 377C20 Microphone...
Страница 218: ...SoundAdvisor Model 831C A 54 FIGURE A 52 Model 831C with 377C20 Microphone FIGURE A 53 Model 831C with 377C20 Microphone...
Страница 221: ...SoundAdvisor Model 831C A 57 FIGURE A 58 831C With LOWN Mic Set FIGURE A 59 831C With LOWN Mic Set...
Страница 222: ...SoundAdvisor Model 831C A 58 FIGURE A 60 831C With LOWN Mic Set FIGURE A 61 831C With LOWN Mic Set...
Страница 223: ...SoundAdvisor Model 831C A 59 A 10 Declaration of Conformity...
