½" Free-field microphone Type 40AF - High-sensitivity

 
The Type 40AF is a general purpose microphone, covering a frequency range from 3.15 Hz to 20 kHz. Because of its high sensitivity, it can measure sound pressure levels down to 15 dBA re. 20µPa.

This microphone fulfills the requirements of IEC 60651 for type 0 and type 1 measurements. 
 
Download PDF Data Sheet: pd_40AF_ver_13_09_02.PDF
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Specifications Type 40AF
Sensitivity

50 mV/Pa

Frequency range

3.15 Hz - 20 kHz

Dynamic range

15 dB - 146 dB re. 20µPa

Polarisation voltage

200 V

Outside diameter (with protection grid)

13.2 mm

Length (with and

16.2 mm

without protection grid)

15.3 mm

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