PCB Piezotronics model 2221 microphone power supply

PCB Piezotronics externally polarized microphones and preamplifiers 
  • 0 and 200 volt polarization voltage
  • Extended battery life (40 hours)
  • 0, 20, and 40 dB gain
  • Selectable flat (Z), A, and C-weighting
                             
  • Application
    - Noise, Vibration and Harshness (NVH) Testing
    - Environmental Noise Analysis
    - Sound Power Testing
    - Transfer Path Analysis
    - Sound Pressure Mapping
    - General Noise Reduction
                   

 
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