Industrial Use Standards.
Frequency Band in Cycles per Second | Average Sound-Pressure Level: Decibels, Re 0.0002 dyne-em |
|---|---|
0—75 | 65 |
76—150 | 50 |
150—300 | 44 |
300—600 | 38 |
600—1,200 | 35 |
1,200—2,400 | 32 |
2,400—4,800 | 29 |
4,800 and above | 26 |
Frequency Band in Cycles per Second | Average Sound-Pressure Level: Decibels, Re 0.0002 dyne-em |
|---|---|
0—75 | 90 |
75—100 | 82 |
100—300 | 74 |
300—600 | 68 |
600—1,200 | 55 |
1,200—2,400 | 62 |
2,400—4,800 | 59 |
4,800 and above | 56 |
Industrial Use Standards.
Frequency Band in Cycles per Second | Average Sound-Pressure Level: Decibels, Re 0.0002 dyne-em |
|---|---|
0—75 | 65 |
76—150 | 50 |
150—300 | 44 |
300—600 | 38 |
600—1,200 | 35 |
1,200—2,400 | 32 |
2,400—4,800 | 29 |
4,800 and above | 26 |
Frequency Band in Cycles per Second | Average Sound-Pressure Level: Decibels, Re 0.0002 dyne-em |
|---|---|
0—75 | 90 |
75—100 | 82 |
100—300 | 74 |
300—600 | 68 |
600—1,200 | 55 |
1,200—2,400 | 62 |
2,400—4,800 | 59 |
4,800 and above | 56 |