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46AZ 46AE 47AC Input
The answer to your infrasound challenges
The increased awareness about infrasound and the discomfort that noise and low frequencies can bring along have given rise to new measurement challenges from the aerospace industry to monitoring environmental noise.
Introducing the new 47AC 1⁄2” infrasound microphone set:
• Frequency range from 0.09 Hz to 20 kHz
• Dynamic range 20 dB(A) to 148 dB
• Sensitivity 8 mV/Pa
• TEDS for automatic sensor identification and reading of calibration data • Assembled and calibrated as a complete unit
We make microphones gras.dk/infrasound-measurements
240317_Acoustics Today _190,5 x 127mm.indd 1 24-03-2017 14:29:04
ASA Books available through Amazon.com
The ASA Press offers a select group of Acoustical Society of America titles at low member prices on www. Amazon.com with shipping costs as low as $3.99 per book. Amazon Prime members can receive two-day delivery and free shipping.
To purchase ASA books quickly and easily follow these steps:
visit www.Amazon.com > select Books > enter Title in Search bar > press on Title then New > choose the ASA Press listing.
For more information and updates about ASA books on Amazon, please contact the ASA Publications Office at 508-362-1211.
ASA Press - Publications Office 17 High School Road, Hyannis,MA 02601
508-362-1211
Summer 2017 | Acoustics Today | 5