Svantek SVAN 958A - Page 187

187
SVAN 958A User Manual
Table C.1.4. Linear operating ranges for the Diffuse filter and Low measurement range (for the sinusoidal
signal and microphone sensitivity 50 mV/Pa)
[dB]
L
AS/F
L
CS/F
L
LINS/F
L
AeqT
L
CeqT
L
AE
L
Cpeak
(t
int
= 2 s)
from
to
from
to
from
to
from
to
from
to
from
to
from
to
31.5 Hz
25
80
25
117
33
120
25
80
25
117
28
83
50
115
500 Hz
25
120
25
120
33
120
25
120
25
120
28
123
50
118
1 kHz
25
121
25
119
33
120
25
121
25
119
28
124
50
117
4 kHz
25
119
25
117
33
120
25
119
25
117
28
122
50
115
8 kHz
25
115
25
114
33
120
25
115
25
114
28
118
50
112
12.5 kHz
25
80
25
117
33
120
25
80
25
117
28
83
50
115
Table C.1.5. Linear operating ranges for the Diffuse filter and High measurement range (primary) (for the
sinusoidal signal and microphone sensitivity 50 mV/Pa)
[dB]
L
AS/F
L
CS/F
L
LINS/F
L
AeqT
L
CeqT
L
AE
L
Cpeak
(t
int
= 2 s)
from
to
from
to
from
to
from
to
from
to
from
to
from
to
31.5 Hz
45
97
45
134
47
137
45
97
45
134
48
100
70
137
500 Hz
45
137
45
137
47
137
45
137
45
137
48
140
70
140
1 kHz
45
138
45
136
47
137
45
138
45
136
48
141
70
139
4 kHz
45
136
45
134
47
137
45
136
45
134
48
139
70
137
8 kHz
45
132
45
131
47
137
45
132
45
131
48
135
70
134
12.5 kHz
45
97
45
134
47
137
45
97
45
134
48
100
70
137
Note: Linear operating ranges for Peak value do not change when using the Diffuse filter.
Linear operating ranges with the SA 22 windscreen
The SA 22 windscreen doesn’t change the linear operating ranges.
RMS detector
• Digital “True RMS“ with Peak detection,
• Resolution 0.1 dB
• Range 213.7 dB
• Crest Factor > 100 (for signals in 20 kHz band).