Type 40AF

Type 40AF
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 dB re. 20µPa.
This microphone fulfills the requirements of IEC 60651 for type 0 and type 1 measurements.
Specifications Type 40AF (WS2F)
Specifications Type 40AF (WS2F)
50 mV/Pa
Dynamic range:
15 - 146 dB re. 20µPa
Frequency range:
3.15 Hz - 20 kHz
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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