Type 40AN

Type 40AN
The Type 40AN is a high-sensivity free-field microphone similar to the Type 40AF except for its lower-limiting frequency which is below 1 Hz and makes it suitable for infra-sound measurements..
Specifications Type 40AN (WS2F)
Specifications Type 40AN (WS2F)
50 mV/Pa
Dynamic range:
15 - 146 dB re. 20µPa
Frequency range:
1 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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