GRAS 46AC 1/2'' LEMO Free-field Standard Microphone Set, Wide Frequency

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GRAS 46AC 1/2'' LEMO Free-field Standard Measurement Microphone Set, Wide Frequency

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The GRAS 46AC is a 1/2" Traditional Power LEMO free-field microphone set for measuring medium sound pressure levels at a wide range of frequencies. It is terminated with a 7-pin LEMO connector and is TEDS compatible.

The high cut-off frequency makes it ideal for ultra-sonic diagnostics and impulse measurements, where minimum distortion and high resolution are obtained by the small size and fast response of the diaphragm.

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.


Freq range: 3.15 Hz to 40 kHz
Dyn range: 20 dB(A) to 164 dB
Sensitivity: 12.5 mV/Pa
Use: For general acoustic diagnostics


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