GRAS 46DD 1/8'' CCP Pressure Standard Microphone Set
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The 46DD is a pressure microphone set and as such optimized for acoustic measurements of the sound source in a closed coupler or the measurement of sound pressure at a boundary or wall; in which case the microphone forms part of the wall and measures the sound pressure on the wall itself.
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: 6.5 Hz to 140 kHz
Dyn range: 52 dB(A) to 174 dB
Sensitivity: 0.8 mV/Pa
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