CESVA DC112 - Sound Pressure Level Range According to Frequency

DC112d/DC112
User’s manual
29
The following table shows the A and C frequency weightings along with their
tolerance.
Frequency
(Hz)
A Weighting
(dB)
C Weighting
(dB)
Tolerance
(dB)
63 - 26,2 - 0,8
± 2,0
125 - 16,1 - 0,2
± 1,5
250 - 8,6 - 0,0
± 1,5
500 - 3,2 - 0,0
± 1,5
1,000 0 0
± 1,5
2,000 + 1,2 - 0,2
± 2,0
4,000 + 1,0 - 0,8
± 3,0
8,000 - 1,1 - 3,0
± 5,0
6.4 Sound pressure level range according to frequency
Typical values for A weighting frequency
Frequency
(Hz)
Maximum level
(dB)
Minimum level
(dB)
63 113,8 50
125 123,9 50
250 131,4 50
500 136,8 50
1,000 140,0 50
2,000 140,0 50
4,000 140,0 50
8,000 138,9 50
Typical values for C weighting frequency
Frequency
(Hz)
Maximum level
(dB)
Minimum level
(dB)
63 139,2 60
125 139,8 60
250 140,0 60
500 140,0 60
1,000 140,0 60
2,000 139,8 60
4,000 139,2 60
8,000 137,0 60