PMP47-B Class 1 Measurement Microphone

Measurement microphone PMP47-B

The PMP47-B is a 1/4” pre-polarized nominal pressure-field microphone, classified per IEC 61094 as WS3P Class 1.

Frequency Range: 20Hz to 70kHz
Dynamic Range: 45 to 174 dB(A)
Nominal Sensitivity: 1.6mV/Pa

Download PLACID PMP47-B Microphone Datasheet


PLACID PMP47-B Microphone



The PLACID PMP47-B is a high-precision condenser microphone manufactured in compliance with the IEC 61094-4 requirements and classified as a class 1 microphone.

The PMP47-B microphone is optimized for nominal pressure-field measurements.
As all PLACID microphones, the PMP47-B comes with an individually calibration certificate.


The PLACID PMP47-B microphone requires a standardized 1/4″ BNC preamplifier that does not need to provide polarization.


The PMP47-B is a robust and stable microphone and is being used as an all-round free field microphone suitable for laboratory as well as field jobs.

Daily usage

PLACID recommends calibration before and after each measurement with a calibrator.

Individual calibration

All PLACID microphones are being calibrated in a controlled laboratory environment using traceable calibration equipment complying with ISO17025 standards. We recommend that all PLACID microphones are re-calibrated every year to guarantee an optimized usage. PLACID Traceable Calibration is performed by our qualified staff and under controlled conditions according to the procedures and standards such as ISO17025.


All PLACID microphones are made of high-quality materials that will ensure long stability and durability. The microphone diaphragm, body, and protection grid are made of high-grade stainless steel, which makes the microphone resistant to physical damage. PLACID offers 2 years warranty against defective materials and workmanship.

Please Click and Download this product datasheet for further information


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