NTi Audio XL2 Sound Level Meter - Manual (Page 218)

218
Specifications
Free Field - Pressure Field
Correction Factors
Nominal
Frequency
[Hz]
M2230
Microphone
[dB]
M2211
Microphone
[dB]
M2215
Microphone
[dB]
50
63
80
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
100
125
160
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
200
250
315
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
400
500
630
0.0
0.0
0.0
0.0
0.1
0.1
0.0
0.0
0.0
800
1000
1250
0.1
0.2
0.3
0.1
0.1
0.3
0.0
0.0
0.0
1600
2000
2500
0.4
0.5
0.6
0.5
0.6
0.7
0.1
0.2
0.6
3150
4000
5000
0.8
1.0
1.5
1.1
1.7
2.2
0.7
1.2
2.1
6300
8000
10000
2.2
3.3
4.6
3.3
4.2
5.4
3.0
3.9
3.7
12500
16000
20000
6.5
8.0
9.0
7.3
9.2
11.0
6.7
9.0
10.6