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New " Low Frequency Microphone for
Infrasound Measurements

Low frequency range extends below the human audible range
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 for wind turbines, sonic booms, diesel engines and specialized loudspeaker systems to name a few.  Natural events such as tornadoes and earthquakes emit very low frequency pressure waves which can travel long distances without being blocked. Model 378A07 microphones can detect these low frequency signatures as potential danger. 

 

This free-field prepolarized microphone has a frequency range of 0.13 Hz to 20 kHz (+/- 2dB) which meets the IEC 61094-4 standard for test and measurement microphones. This covers infrasound which is below the normal hearing range for adults. 
 

PCB  carries a full complement of prepolarized and externally polarized condenser microphones and preamplifiers. Prepolarized microphones use standard coaxial cables and are ICP compliant, allowing power supplies to be shared with other ICP compliant products such as accelerometers. This interchangeability can result in a significant per-channel cost savings as well as reduce test set-up time. The 378A07 microphone is A2LA and ILAC accredited. Like all PCB products, it comes with a "Total Customer Satisfaction" guarantee. 
 

Microphone model 378A07 is in stock and available for immediate shipment. For additional information please visit www.pcb.com/acoustics or contact Mark Valentino, Product Manager, at (866) 816-8892 or email at mvalentino@pcb.com .

 
PCB  1/2" Free Field Prepolarized Microphone and
Preamplifier System (Model 378A07)

 

About PCB Piezotronics, Inc.

 

PCB Piezotronics, Inc.  is a global manufacturer of  microphones, vibration, pressure, force, torque, load, and strain sensors, as well as the pioneer of ICP technology. This instrumentation is used for test, measurement, monitoring, and control requirements in automotive, aerospace, industrial, R&D, military, educational, commercial, OEM applications, and more.  Our Platinum Products program ensures fast delivery of over 10,000 sensors that are covered by a Lifetime Warranty. With a customer support team of more than 30 Customer Service Representatives and Application Engineers, PCB proudly stands behind their products with the services you value most, including 24-hour technical support, a global distribution network, a best in class warranty and the industry's only commitment to Total Customer Satisfaction.  Visit us at www.pcb.com

 

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