For applications measuring infrasound (below the human hearing threshold) microphone model 378A07 provides the capability to measure to 0.1 Hz (-3dB).
Model 378A07)
May 28, 2015, Depew, New York - A new 1/2" microphone and preamplifier system, model 378A07 from PCB Piezotronics, Inc. aids in low frequency testing, ideal for studies ranging from wind turbines to natural events like tornadoes.
Low frequency measurements are commonly required
When acoustic measurements need to be made in demanding environments and applications, trust PCB specialty microphones.