The Infiltec Model INFRA20 infrasound monitor is designed to record, display and analyze infrasound below the human hearing range in the 0.05 Hz to 20 Hz band. Infrasound is produced by wind turbines, helicopters, meteors, avalanches, volcanoes, large animals like elephants, etc. The INFRA20 is designed to provide infrasound monitoring for lab, home, school and field use in a compact, portable, and rugged package that is less expensive and easier to use than conventional designs. The INFRA20 does not require any power supply or assembly or enclosure or adustment; including alignment, damping, zeroing, etc. The INFRA20 works with the standard AmaSeis Windows based software, and with the new jAmaSeis software for Windows, Linux and Mac OS.
A**A
I was able to get data logging going about 15 minutes after opening the box.
The software came on a thumb drive not a CD (just a note) but it installed and worked fine on my DELL Latitude laptop running Windows 10 (latest version as of 07/01/2020).The software uses military time format and universal internet time. I had a choice to do the math to figure out the time difference or change my laptop to use the software's time preference. Since I don't use the laptop often, I changed the laptop time. My intention is to use the device/software to document baselines around my area before a wind turbine farm is activated.
J**R
Five Stars
Worked well for testing infrasound legal limits produced my wind turbines near subdivisions.
R**D
An excellent, affordable 16-bit sensor for very low frequency acoustic field investigations
An excellent, affordable 16-bit sensor for very low frequency acoustic field investigations and acoustic pressure pulsations research. The INFRA20 is designed for a specific frequency range of 0.5 to 20 Hz. It has proved well suited for investigations and clear identification of industrial acoustic pressure pulsations in the range of 0.1 Pascal and stronger.The INFRA20 outputs serial data at approximately 50Hz which can be archived by software such as Amaseis or hardware serial data loggers.
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