Electret Microphone Weightings; Appendix 4 - sauter SW 1000 Instruction Manual

Appendix 4

Electret microphone weightings

The weightings given below were measured with an electret microphone and power
supply.
dB
10,0
5,0
0,0
Frequency Value
[Hz] [dB]
200 0.000
224 0.002
250 0.004
280 0.006
315 0.009
355 0.013
400 0.017
450 0.022
500 0.027
560 0.034
Extended uncertainties: U = 0.19 (k = 2) for frequencies <= 4 kHz, U = 0.34 (k = 2)
for frequencies of 4 kHz to 10 kHz, U = 0.39 (k = 2) for frequencies > = 10 kHz.
50
Korrekturen des Elektretmikrofons
Frequency Value
[Hz] [dB]
630 0.043
710 0.053
800 0.065
900 0.080
1000 0.096
1120 0.116
1250 0.140
1400 0.170
1600 0.213
1800 0.260
H
z
Frequency Value
[Hz] [dB]
2000 0.312
2240 0.378
2500 0.456
2800 0.554
3150 0.678
3550 0.832
4000 1.020
4500 1.245
5000 1.488
5600 1.798
Frequency Value
[Hz] [dB]
6300 2.184
7100 2.651
8000 3.204
9000 3.840
10,000 4.488
11,200 5.264
12,500 6.081
14,000 6.960
16,000 7.956
18,000 8.664
20,000 9.272
SW-BA-e-1710