Ultrasonic Microphone (FRI) and Amplifier

FRI-100-1
Ultrasonic Microphone (FRI) and Amplifier

This ¼” Free-Field Microphone has been designed to measure low level signals.  The sensitivity is typically 48 dB.  This is 250 times greater than a ¼” G.R.A.S. or Brüel & Kjær (4 mv/Pascal vs. 1 volt/Pascal).  The frequency response in the 500 Hz – 100 KHz, +/- 3 dB BSL.  Noise at 1 KHz is less than 58 dB.

$795 introductory price

Sensitivity: 1 V/P  (other sensitivities available)

Frequency Response Free Field Linearity: 500 Hz – 100 KHz, +/- 3 dB BSL

 Noise Level: Less than 58 dB at 1 KHz

Polarization Voltage: Self Polarizing

Input Connector: 3 Pin Lemo

Output Connector: BNC