GRAS 46AO 1/2 Inch CCP Pressure Standard Microphone Set

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GRAS 46AO 1/2" CCP Pressure Standard Measurement Microphone Set

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The 46AO is a high-precision microphone suitable for laboratory work.

Regarding temperature range, see the Specifications. Should higher temperature limits be required, we recommend considering  the GRAS probe microphones where the microphone and preamplifier can be isolated from the hot source.

Two front-vented versions are available, the 46AO-FV 1/2" CCP Pressure Front Vented Microphone Set, and the high level version  46AO-FV-HL 1/2" CCP Pressure Microphone Set, Front Vented, High Level.


Freq range: 3.15 Hz to 20 kHz
Dyn range: 25 dB(A) to 150 dB
Sensitivity: 12 mV/Pa


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