For advanced search by sensor specifications or product family, please visit our Shop Sensors tool.


Do You Have Any Questions?

Toll-free (in the US): 800-828-8840
Fax: 1-716-684-0987
Contact PCB®

We found 4 matches....
Model: EX378B02

Model: EX378B02

Intrinsically safe 378B02 microphone and preamplifier, ATEX, IECEx, ETL, ANZEx, approved
  • Nominal Microphone Diameter: 1/2 in
  • Frequency Response Characteristic: (at 0° incidence) Free-Field
  • Frequency Range: (±2dB) 3.75 to 20000 Hz(3.75 to 20000 Hz)
  • Inherent Noise: 15.5 dB(A) re 20 µPa
  • Dynamic Range: (3% Distortion Limit) 137 dB re 20 µPa
Product Manual
Product Datasheet
Hazardous Approved Microphone & Preamplifier - Model EX378B02

Hazardous Approved Microphone & Preamplifier - Model EX378B02

PCB's prepolarized condenser microphone system (EX378B02) is approved for hazardous locations and explosive atmospheres and can safely be employed in gaseous hazardous environments where standard microphones may cause a spark and fire.
PCB Launches New Microphone For Measurements in Hazardous Areas

PCB Launches New Microphone For Measurements in Hazardous Areas

Model EX378B02 – for use in hazardous areas. The new microphone system is compliant with explosive atmospheres and gaseous hazardous environments where standard microphones are restricted. Additionally, EX378B02 is compliant with intrinsic safety protection levels for all above ground applications g
Noise Monitoring Systems | PCB Piezotronics

Noise Monitoring Systems | PCB Piezotronics

As a division of PCB Piezotronics, Inc., Larson Davis specializes in noise monitoring systems.