ICP Electret Array Microphone
130A23 - PCB Piezotronics, Inc.
Nominal Microphone Diameter: 1/4" Frequency Response Characteristic (at 0 incidence)Free-FieldInherent Noise (A Weighted)<30 dB(A) re 20 Pa<30 dB(A) re 20 Pa Dynamic Range (High)150Environmental Temperature Range ( Temperature Effect on Output (-10 to +50 C)<0.7 dB<0.7 dB[2] Influence of Axial Vibration Excitation Voltage 18 to 30 VDC18 to 30 VDC