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Dosímetros acústicos de ruido datalogger 407355 EXTECH manual ingles www.viaindustrial.com
Conversion Charts
OSHA Permissible Noise Exposures
Duration per day, hours
Source:29 CFR 1910 Table G-16
Dose or percent
Note: Assumes 5-dB exchange rate and 90-dBA Criterion
Conversion from Percent Noise Exposure or Dose to 8-Hour Time Weighted Average Sound
Dosímetros acústicos de ruido datalogger 407355 EXTECH manual ingles www.viaindustrial.com
8
6
4
3
2
1.5
1
0.5
0.25 or less
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
Sound level dBA, slow response
90
92
95
97
100
102
105
110
115
TWA (dBA)
85.0
85.7
86.3
86.9
87.4
87.9
88.4
88.8
89.2
89.6
90.0
90.4
90.7
91.1
91.3
91.6
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