PLACID PSMP47 Surface microphone

The PSMP47 surface microphone

Frequency Range: 10Hz to 20kHz
Dynamic Range: 36 to 160 dB(A)
Nominal Sensitivity: 4mV/Pa
Power Supply: IEPE(2-20mA)


  • Confined space installation
  • Clay model inlay
  • Ground array measurements
  • General noise measurements

Download datasheet PSMP47 surface microphone.


PLACID PSMP47 Surface microphone specifications



The PLACID PSMP47 is a high precision condensor surface microphone manufactured in compliance with the4 IEC 61094-1 requirements and classified as a class 1 microphone.

The PLACID PSMP47 surface microphone is designed for general purpose measurements on flat and curved surfaces within aeroacoustics and measurements in windtunnels.

Every PSMP47 surface microphone is delivered with an individual calibration certificate.

Frequency response

PSMP47 surface microphone frequency response
PSMP47 surface microphone frequency response


Grid: Copper-nickel plating
Housing: Stainless Steel
Diaphragm: Nickel
Back Plate: Stainless Steel
Insulator: Crystal Quartz
Electret: Teflon


Total height 15.5 mm including grid.

Total width 18 mm.


Especially designed for applications in aeroacoustics such as windtunnels.